[evolution/account-mgmt: 20/49] Adapt mail to the new ESource API.



commit 1ed87c2e1ba53eef74bc89322c1ee5e94ca30c83
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Apr 13 10:30:40 2011 -0400

    Adapt mail to the new ESource API.

 mail/Makefile.am                |    2 +
 mail/e-mail-account-manager.c   |   23 +-
 mail/e-mail-account-manager.h   |    6 +-
 mail/e-mail-account-store.c     |  284 +++++-------
 mail/e-mail-authenticator.c     |  267 +++++++++++
 mail/e-mail-authenticator.h     |   76 +++
 mail/e-mail-backend.c           |  210 +++++----
 mail/e-mail-folder-pane.c       |   17 +-
 mail/e-mail-migrate.c           |  249 +----------
 mail/e-mail-paned-view.c        |    8 +-
 mail/e-mail-reader-utils.c      |   27 +-
 mail/e-mail-reader.c            |   52 ++-
 mail/e-mail-session-utils.c     |   38 +-
 mail/e-mail-session.c           |  981 ++++++++++++++++++++++++---------------
 mail/e-mail-session.h           |   17 +-
 mail/e-mail.h                   |    1 +
 mail/em-account-editor.c        |  237 +++++++---
 mail/em-account-editor.h        |   12 +-
 mail/em-composer-utils.c        |  245 ++++++++--
 mail/em-composer-utils.h        |    3 +-
 mail/em-filter-source-element.c |  111 +----
 mail/em-folder-tree-model.c     |   56 ++-
 mail/em-subscription-editor.c   |   12 +-
 mail/em-utils.c                 |  571 ++++++++++++++---------
 mail/em-utils.h                 |   35 +-
 mail/mail-config.c              |   20 -
 mail/mail-config.h              |    1 -
 mail/mail-config.ui             |   50 --
 mail/mail-folder-cache.c        |   11 +-
 mail/mail-ops.c                 |  369 ++++++++-------
 mail/mail-ops.h                 |    1 -
 mail/mail-send-recv.c           |  297 +++----------
 mail/mail.error.xml             |   28 --
 33 files changed, 2422 insertions(+), 1895 deletions(-)
---
diff --git a/mail/Makefile.am b/mail/Makefile.am
index 8310cff..ea7d895 100644
--- a/mail/Makefile.am
+++ b/mail/Makefile.am
@@ -50,6 +50,7 @@ mailinclude_HEADERS =					\
 	e-mail-account-store.h				\
 	e-mail-account-tree-view.h			\
 	e-mail-attachment-bar.h				\
+	e-mail-authenticator.h				\
 	e-mail-backend.h				\
 	e-mail-browser.h				\
 	e-mail-display.h				\
@@ -126,6 +127,7 @@ libevolution_mail_la_SOURCES =				\
 	e-mail-account-store.c				\
 	e-mail-account-tree-view.c			\
 	e-mail-attachment-bar.c				\
+	e-mail-authenticator.c				\
 	e-mail-backend.c				\
 	e-mail-browser.c				\
 	e-mail-display.c				\
diff --git a/mail/e-mail-account-manager.c b/mail/e-mail-account-manager.c
index 522e26e..61a90f7 100644
--- a/mail/e-mail-account-manager.c
+++ b/mail/e-mail-account-manager.c
@@ -70,18 +70,25 @@ static void
 mail_account_manager_edit_cb (EMailAccountManager *manager)
 {
 	EMailAccountTreeView *tree_view;
-	EAccount *account;
+	EMailAccountStore *store;
+	ESourceRegistry *registry;
+	EMailSession *session;
 	CamelService *service;
+	ESource *source;
 	const gchar *uid;
 
+	store = e_mail_account_manager_get_store (manager);
+	session = e_mail_account_store_get_session (store);
+	registry = e_mail_session_get_registry (session);
+
 	tree_view = E_MAIL_ACCOUNT_TREE_VIEW (manager->priv->tree_view);
 	service = e_mail_account_tree_view_get_selected_service (tree_view);
 
 	uid = camel_service_get_uid (service);
-	account = e_get_account_by_uid (uid);
-	g_return_if_fail (account != NULL);
+	source = e_source_registry_lookup_by_uid (registry, uid);
+	g_return_if_fail (source != NULL);
 
-	e_mail_account_manager_edit_account (manager, account);
+	e_mail_account_manager_edit_account (manager, source);
 }
 
 static void
@@ -519,7 +526,7 @@ e_mail_account_manager_class_init (EMailAccountManagerClass *class)
 		NULL, NULL,
 		g_cclosure_marshal_VOID__OBJECT,
 		G_TYPE_NONE, 1,
-		E_TYPE_ACCOUNT);
+		E_TYPE_SOURCE);
 }
 
 static void
@@ -556,11 +563,11 @@ e_mail_account_manager_add_account (EMailAccountManager *manager)
 
 void
 e_mail_account_manager_edit_account (EMailAccountManager *manager,
-                                     EAccount *account)
+                                     ESource *source)
 {
 	g_return_if_fail (E_IS_MAIL_ACCOUNT_MANAGER (manager));
-	g_return_if_fail (E_IS_ACCOUNT (account));
+	g_return_if_fail (E_IS_SOURCE (source));
 
-	g_signal_emit (manager, signals[EDIT_ACCOUNT], 0, account);
+	g_signal_emit (manager, signals[EDIT_ACCOUNT], 0, source);
 }
 
diff --git a/mail/e-mail-account-manager.h b/mail/e-mail-account-manager.h
index 23f7890..a17ff2a 100644
--- a/mail/e-mail-account-manager.h
+++ b/mail/e-mail-account-manager.h
@@ -20,7 +20,7 @@
 #define E_MAIL_ACCOUNT_MANAGER_H
 
 #include <gtk/gtk.h>
-#include <e-util/e-account-utils.h>
+#include <libedataserver/e-source.h>
 #include <mail/e-mail-account-store.h>
 
 /* Standard GObject macros */
@@ -59,7 +59,7 @@ struct _EMailAccountManagerClass {
 	/* Signals */
 	void		(*add_account)		(EMailAccountManager *manager);
 	void		(*edit_account)		(EMailAccountManager *manager,
-						 EAccount *account);
+						 ESource *source);
 };
 
 GType		e_mail_account_manager_get_type	(void) G_GNUC_CONST;
@@ -71,7 +71,7 @@ void		e_mail_account_manager_add_account
 						(EMailAccountManager *manager);
 void		e_mail_account_manager_edit_account
 						(EMailAccountManager *manager,
-						 EAccount *account);
+						 ESource *source);
 
 G_END_DECLS
 
diff --git a/mail/e-mail-account-store.c b/mail/e-mail-account-store.c
index e0bd90e..36fc55f 100644
--- a/mail/e-mail-account-store.c
+++ b/mail/e-mail-account-store.c
@@ -25,7 +25,6 @@
 #include <libebackend/e-extensible.h>
 
 #include <e-util/e-marshal.h>
-#include <e-util/e-account-utils.h>
 #include <e-util/e-alert-dialog.h>
 #include <mail/mail-ops.h>
 #include <mail/mail-vfolder.h>
@@ -99,24 +98,6 @@ index_item_free (IndexItem *item)
 	g_slice_free (IndexItem, item);
 }
 
-static void
-mail_account_store_save_default (EMailAccountStore *store)
-{
-	EAccountList *account_list;
-	EAccount *account;
-	CamelService *service;
-	const gchar *uid;
-
-	service = e_mail_account_store_get_default_service (store);
-
-	account_list = e_get_account_list ();
-	uid = camel_service_get_uid (service);
-	account = e_get_account_by_uid (uid);
-	g_return_if_fail (account != NULL);
-
-	e_account_list_set_default (account_list, account);
-}
-
 static gboolean
 mail_account_store_get_iter (EMailAccountStore *store,
                              CamelService *service,
@@ -236,6 +217,46 @@ mail_account_store_service_notify_cb (CamelService *service,
 }
 
 static void
+mail_account_store_remove_source_cb (ESourceRegistry *registry,
+                                     GAsyncResult *result,
+                                     EMailAccountStore *store)
+{
+	GError *error = NULL;
+
+	/* FIXME EMailAccountStore should implement EAlertSink. */
+	if (!e_source_registry_remove_source_finish (registry, result, &error)) {
+		g_warning ("%s: %s", G_STRFUNC, error->message);
+		g_error_free (error);
+	}
+
+	g_return_if_fail (store->priv->busy_count > 0);
+	store->priv->busy_count--;
+	g_object_notify (G_OBJECT (store), "busy");
+
+	g_object_unref (store);
+}
+
+static void
+mail_account_store_write_source_cb (ESource *source,
+                                    GAsyncResult *result,
+                                    EMailAccountStore *store)
+{
+	GError *error = NULL;
+
+	/* FIXME EMailAccountStore should implement EAlertSink. */
+	if (!e_source_write_finish (source, result, &error)) {
+		g_warning ("%s: %s", G_STRFUNC, error->message);
+		g_error_free (error);
+	}
+
+	g_return_if_fail (store->priv->busy_count > 0);
+	store->priv->busy_count--;
+	g_object_notify (G_OBJECT (store), "busy");
+
+	g_object_unref (store);
+}
+
+static void
 mail_account_store_clean_index (EMailAccountStore *store)
 {
 	GQueue trash = G_QUEUE_INIT;
@@ -425,23 +446,34 @@ static void
 mail_account_store_constructed (GObject *object)
 {
 	EMailAccountStore *store;
+	EMailSession *session;
+	ESourceRegistry *registry;
 	const gchar *config_dir;
 
 	/* Chain up to parent's constructed() method. */
 	G_OBJECT_CLASS (e_mail_account_store_parent_class)->constructed (object);
 
 	store = E_MAIL_ACCOUNT_STORE (object);
+	session = e_mail_account_store_get_session (store);
+	registry = e_mail_session_get_registry (session);
+
+	/* Bind the default mail account ESource to our default
+	 * CamelService, with help from some transform functions. */
+	g_object_bind_property_full (
+		registry, "default-mail-account",
+		store, "default-service",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE,
+		e_binding_transform_source_to_service,
+		e_binding_transform_service_to_source,
+		session, (GDestroyNotify) NULL);
+
 	config_dir = mail_session_get_config_dir ();
 
 	/* XXX Should we take the filename as a constructor property? */
 	store->priv->sort_order_filename = g_build_filename (
 		config_dir, "sortorder.ini", NULL);
 
-	/* XXX This is kinda lame, but should work until EAccount dies. */
-	g_signal_connect (
-		object, "notify::default-service",
-		G_CALLBACK (mail_account_store_save_default), NULL);
-
 	e_extensible_load_extensions (E_EXTENSIBLE (object));
 }
 
@@ -456,75 +488,55 @@ static void
 mail_account_store_service_removed (EMailAccountStore *store,
                                     CamelService *service)
 {
-	/* XXX On the account-mgmt branch this operation is asynchronous.
-	 *     The 'busy_count' is bumped until changes are written back
-	 *     to the D-Bus service.  For now I guess we'll just block. */
-
-	EAccountList *account_list;
-	EAccount *account;
+	EMailSession *session;
+	ESourceRegistry *registry;
+	ESource *source;
 	const gchar *uid;
 
-	account_list = e_get_account_list ();
-	uid = camel_service_get_uid (service);
-	account = e_get_account_by_uid (uid);
-	g_return_if_fail (account != NULL);
+	session = e_mail_account_store_get_session (store);
+	registry = e_mail_session_get_registry (session);
 
-	if (account->enabled) {
-		CamelProvider *provider;
+	uid = camel_service_get_uid (service);
+	source = e_source_registry_lookup_by_uid (registry, uid);
 
-		provider = camel_service_get_provider (service);
-		g_return_if_fail (provider != NULL);
+	if (E_IS_SOURCE (source)) {
+		store->priv->busy_count++;
+		g_object_notify (G_OBJECT (store), "busy");
 
-		if (provider->flags & CAMEL_PROVIDER_IS_STORAGE)
-			mail_disconnect_store (CAMEL_STORE (service));
+		/* XXX Should this be cancellable? */
+		e_source_registry_remove_source (
+			registry, source, NULL, (GAsyncReadyCallback)
+			mail_account_store_remove_source_cb,
+			g_object_ref (store));
 	}
-
-	/* Remove all the proxies the account has created.
-	 * FIXME This proxy stuff belongs in evolution-groupwise. */
-	e_account_list_remove_account_proxies (account_list, account);
-
-	e_account_list_remove (account_list, account);
-
-	e_account_list_save (account_list);
 }
 
 static void
 mail_account_store_service_enabled (EMailAccountStore *store,
                                     CamelService *service)
 {
-	/* XXX On the account-mgmt branch this operation is asynchronous.
-	 *     The 'busy_count' is bumped until changes are written back
-	 *     to the D-Bus service.  For now I guess we'll just block. */
-
-	GSettings *settings;
+	EMailSession *session;
+	ESourceRegistry *registry;
+	ESource *source;
 	const gchar *uid;
 
-	uid = camel_service_get_uid (service);
-
-	/* Handle built-in services that don't have an EAccount. */
-
-	if (g_strcmp0 (uid, E_MAIL_SESSION_LOCAL_UID) == 0) {
-		settings = g_settings_new ("org.gnome.evolution.mail");
-		g_settings_set_boolean (settings, "enable-local", TRUE);
-		g_object_unref (settings);
-
-	} else if (g_strcmp0 (uid, E_MAIL_SESSION_VFOLDER_UID) == 0) {
-		settings = g_settings_new ("org.gnome.evolution.mail");
-		g_settings_set_boolean (settings, "enable-vfolders", TRUE);
-		g_object_unref (settings);
+	session = e_mail_account_store_get_session (store);
+	registry = e_mail_session_get_registry (session);
 
-	} else {
-		EAccountList *account_list;
-		EAccount *account;
+	uid = camel_service_get_uid (service);
+	source = e_source_registry_lookup_by_uid (registry, uid);
 
-		account_list = e_get_account_list ();
-		account = e_get_account_by_uid (uid);
-		g_return_if_fail (account != NULL);
+	if (E_IS_SOURCE (source)) {
+		e_source_set_enabled (source, TRUE);
 
-		account->enabled = TRUE;
+		store->priv->busy_count++;
+		g_object_notify (G_OBJECT (store), "busy");
 
-		e_account_list_change (account_list, account);
-		e_account_list_save (account_list);
+		/* XXX Should this be cancellable? */
+		e_source_write (
+			source, NULL, (GAsyncReadyCallback)
+			mail_account_store_write_source_cb,
+			g_object_ref (store));
 	}
 }
 
@@ -532,52 +544,28 @@ static void
 mail_account_store_service_disabled (EMailAccountStore *store,
                                      CamelService *service)
 {
-	/* XXX On the account-mgmt branch this operation is asynchronous.
-	 *     The 'busy_count' is bumped until changes are written back
-	 *     to the D-Bus service.  For now I guess we'll just block. */
-
-	GSettings *settings;
+	EMailSession *session;
+	ESourceRegistry *registry;
+	ESource *source;
 	const gchar *uid;
 
-	uid = camel_service_get_uid (service);
-
-	/* Handle built-in services that don't have an EAccount. */
-
-	if (g_strcmp0 (uid, E_MAIL_SESSION_LOCAL_UID) == 0) {
-		settings = g_settings_new ("org.gnome.evolution.mail");
-		g_settings_set_boolean (settings, "enable-local", FALSE);
-		g_object_unref (settings);
-
-	} else if (g_strcmp0 (uid, E_MAIL_SESSION_VFOLDER_UID) == 0) {
-		settings = g_settings_new ("org.gnome.evolution.mail");
-		g_settings_set_boolean (settings, "enable-vfolders", FALSE);
-		g_object_unref (settings);
-
-	} else {
-		EAccountList *account_list;
-		EAccount *account;
-		CamelProvider *provider;
-
-		account_list = e_get_account_list ();
-		account = e_get_account_by_uid (uid);
-		g_return_if_fail (account != NULL);
-
-		account->enabled = FALSE;
-
-		provider = camel_service_get_provider (service);
-		g_return_if_fail (provider != NULL);
+	session = e_mail_account_store_get_session (store);
+	registry = e_mail_session_get_registry (session);
 
-		if (provider->flags & CAMEL_PROVIDER_IS_STORAGE)
-			mail_disconnect_store (CAMEL_STORE (service));
+	uid = camel_service_get_uid (service);
+	source = e_source_registry_lookup_by_uid (registry, uid);
 
-		/* FIXME This proxy stuff belongs in evolution-groupwise. */
-		e_account_list_remove_account_proxies (account_list, account);
+	if (E_IS_SOURCE (source)) {
+		e_source_set_enabled (source, FALSE);
 
-		if (account->parent_uid != NULL)
-			e_account_list_remove (account_list, account);
+		store->priv->busy_count++;
+		g_object_notify (G_OBJECT (store), "busy");
 
-		e_account_list_change (account_list, account);
-		e_account_list_save (account_list);
+		/* XXX Should this be cancellable? */
+		e_source_write (
+			source, NULL, (GAsyncReadyCallback)
+			mail_account_store_write_source_cb,
+			g_object_ref (store));
 	}
 }
 
@@ -611,25 +599,14 @@ mail_account_store_remove_requested (EMailAccountStore *store,
                                      GtkWindow *parent_window,
                                      CamelService *service)
 {
-	EAccountList *account_list;
-	EAccount *account;
-	const gchar *alert;
-	const gchar *uid;
 	gint response;
 
-	account_list = e_get_account_list ();
-	uid = camel_service_get_uid (service);
-	account = e_get_account_by_uid (uid);
-
-	g_return_val_if_fail (account != NULL, FALSE);
-
-	/* FIXME This proxy stuff belongs in evolution-groupwise. */
-	if (e_account_list_account_has_proxies (account_list, account))
-		alert = "mail:ask-delete-account-with-proxies";
-	else
-		alert = "mail:ask-delete-account";
+	/* FIXME Need to use "mail:ask-delete-account-with-proxies" if the
+	 *       mail account has proxies.  But this is groupwise-specific
+	 *       and doesn't belong here anyway.  Think of a better idea. */
 
-	response = e_alert_run_dialog_for_args (parent_window, alert, NULL);
+	response = e_alert_run_dialog_for_args (
+		parent_window, "mail:ask-delete-account", NULL);
 
 	return (response == GTK_RESPONSE_YES);
 }
@@ -647,34 +624,12 @@ mail_account_store_disable_requested (EMailAccountStore *store,
                                       GtkWindow *parent_window,
                                       CamelService *service)
 {
-	EAccountList *account_list;
-	EAccount *account;
-	const gchar *uid;
-	gint response;
-
-	account_list = e_get_account_list ();
-	uid = camel_service_get_uid (service);
-	account = e_get_account_by_uid (uid);
-
-	/* "On This Computer" and "Search Folders" do not have
-	 * EAccounts, so just silently return TRUE if we failed
-	 * to find a matching EAccount for the CamelService. */
-
-	/* Silently return TRUE if we failed to find a matching
-	 * EAccount since "On This Computer" and "Search Folders"
-	 * do not have EAccounts. */
-	if (account == NULL)
-		return TRUE;
-
-	/* FIXME This proxy stuff belongs in evolution-groupwise. */
-	if (e_account_list_account_has_proxies (account_list, account))
-		response = e_alert_run_dialog_for_args (
-			parent_window,
-			"mail:ask-delete-proxy-accounts", NULL);
-	else
-		response = GTK_RESPONSE_YES;
+	/* FIXME Need to check whether the account has proxies and run a
+	 *       "mail:ask-delete-proxy-accounts" alert dialog, but this
+	 *       is groupwise-specific and doesn't belong here anyway.
+	 *       Think of a better idea. */
 
-	return (response == GTK_RESPONSE_YES);
+	return TRUE;
 }
 
 static void
@@ -1054,13 +1009,18 @@ e_mail_account_store_add_service (EMailAccountStore *store,
 		g_object_unref (settings);
 
 	} else {
-		EAccount *account;
+		EMailSession *session;
+		ESourceRegistry *registry;
+		ESource *source;
+
+		session = e_mail_account_store_get_session (store);
 
-		account = e_get_account_by_uid (uid);
-		g_return_if_fail (account != NULL);
+		registry = e_mail_session_get_registry (session);
+		source = e_source_registry_lookup_by_uid (registry, uid);
+		g_return_if_fail (source != NULL);
 
 		builtin = FALSE;
-		enabled = account->enabled;
+		enabled = e_source_get_enabled (source);
 	}
 
 	/* Where do we insert new services now that accounts can be
diff --git a/mail/e-mail-authenticator.c b/mail/e-mail-authenticator.c
new file mode 100644
index 0000000..9729d35
--- /dev/null
+++ b/mail/e-mail-authenticator.c
@@ -0,0 +1,267 @@
+/*
+ * e-mail-authenticator.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include "e-mail-authenticator.h"
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#define E_MAIL_AUTHENTICATOR_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_AUTHENTICATOR, EMailAuthenticatorPrivate))
+
+struct _EMailAuthenticatorPrivate {
+	CamelService *service;
+	gchar *mechanism;
+};
+
+enum {
+	PROP_0,
+	PROP_MECHANISM,
+	PROP_SERVICE
+};
+
+/* Forward Declarations */
+static void	e_mail_authenticator_interface_init
+				(ESourceAuthenticatorInterface *interface);
+
+G_DEFINE_TYPE_WITH_CODE (
+	EMailAuthenticator,
+	e_mail_authenticator,
+	G_TYPE_OBJECT,
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_SOURCE_AUTHENTICATOR,
+		e_mail_authenticator_interface_init))
+
+static void
+mail_authenticator_set_mechanism (EMailAuthenticator *auth,
+                                  const gchar *mechanism)
+{
+	g_return_if_fail (auth->priv->mechanism == NULL);
+
+	auth->priv->mechanism = g_strdup (mechanism);
+}
+
+static void
+mail_authenticator_set_service (EMailAuthenticator *auth,
+                                CamelService *service)
+{
+	g_return_if_fail (CAMEL_IS_SERVICE (service));
+	g_return_if_fail (auth->priv->service == NULL);
+
+	auth->priv->service = g_object_ref (service);
+}
+
+static void
+mail_authenticator_set_property (GObject *object,
+                                 guint property_id,
+                                 const GValue *value,
+                                 GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_MECHANISM:
+			mail_authenticator_set_mechanism (
+				E_MAIL_AUTHENTICATOR (object),
+				g_value_get_string (value));
+			return;
+
+		case PROP_SERVICE:
+			mail_authenticator_set_service (
+				E_MAIL_AUTHENTICATOR (object),
+				g_value_get_object (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+mail_authenticator_get_property (GObject *object,
+                                 guint property_id,
+                                 GValue *value,
+                                 GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_MECHANISM:
+			g_value_set_string (
+				value,
+				e_mail_authenticator_get_mechanism (
+				E_MAIL_AUTHENTICATOR (object)));
+			return;
+
+		case PROP_SERVICE:
+			g_value_set_object (
+				value,
+				e_mail_authenticator_get_service (
+				E_MAIL_AUTHENTICATOR (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+mail_authenticator_dispose (GObject *object)
+{
+	EMailAuthenticatorPrivate *priv;
+
+	priv = E_MAIL_AUTHENTICATOR_GET_PRIVATE (object);
+
+	if (priv->service != NULL) {
+		g_object_unref (priv->service);
+		priv->service = NULL;
+	}
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_mail_authenticator_parent_class)->dispose (object);
+}
+
+static void
+mail_authenticator_finalize (GObject *object)
+{
+	EMailAuthenticatorPrivate *priv;
+
+	priv = E_MAIL_AUTHENTICATOR_GET_PRIVATE (object);
+
+	g_free (priv->mechanism);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_mail_authenticator_parent_class)->finalize (object);
+}
+
+static ESourceAuthenticationResult
+mail_authenticator_try_password_sync (ESourceAuthenticator *auth,
+                                      const GString *password,
+                                      GCancellable *cancellable,
+                                      GError **error)
+{
+	CamelService *service;
+	EMailAuthenticator *mail_auth;
+	CamelAuthenticationResult camel_result;
+	ESourceAuthenticationResult source_result;
+	const gchar *mechanism;
+
+	mail_auth = E_MAIL_AUTHENTICATOR (auth);
+	service = e_mail_authenticator_get_service (mail_auth);
+	mechanism = e_mail_authenticator_get_mechanism (mail_auth);
+
+	camel_service_set_password (service, password->str);
+
+	camel_result = camel_service_authenticate_sync (
+		service, mechanism, cancellable, error);
+
+	switch (camel_result) {
+		case CAMEL_AUTHENTICATION_ERROR:
+			source_result = E_SOURCE_AUTHENTICATION_ERROR;
+			break;
+		case CAMEL_AUTHENTICATION_ACCEPTED:
+			source_result = E_SOURCE_AUTHENTICATION_ACCEPTED;
+			break;
+		case CAMEL_AUTHENTICATION_REJECTED:
+			source_result = E_SOURCE_AUTHENTICATION_REJECTED;
+			break;
+		default:
+			g_set_error (
+				error, CAMEL_SERVICE_ERROR,
+				CAMEL_SERVICE_ERROR_CANT_AUTHENTICATE,
+				_("Invalid authentication result code (%d)"),
+				camel_result);
+			source_result = E_SOURCE_AUTHENTICATION_ERROR;
+			break;
+	}
+
+	return source_result;
+}
+
+static void
+e_mail_authenticator_class_init (EMailAuthenticatorClass *class)
+{
+	GObjectClass *object_class;
+
+	g_type_class_add_private (class, sizeof (EMailAuthenticatorPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = mail_authenticator_set_property;
+	object_class->get_property = mail_authenticator_get_property;
+	object_class->dispose = mail_authenticator_dispose;
+	object_class->finalize = mail_authenticator_finalize;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_MECHANISM,
+		g_param_spec_string (
+			"mechanism",
+			"Mechanism",
+			"Authentication mechanism",
+			NULL,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SERVICE,
+		g_param_spec_object (
+			"service",
+			"Service",
+			"The CamelService to authenticate",
+			CAMEL_TYPE_SERVICE,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
+}
+
+static void
+e_mail_authenticator_interface_init (ESourceAuthenticatorInterface *interface)
+{
+	interface->try_password_sync = mail_authenticator_try_password_sync;
+}
+
+static void
+e_mail_authenticator_init (EMailAuthenticator *auth)
+{
+	auth->priv = E_MAIL_AUTHENTICATOR_GET_PRIVATE (auth);
+}
+
+ESourceAuthenticator *
+e_mail_authenticator_new (CamelService *service,
+                          const gchar *mechanism)
+{
+	g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
+
+	return g_object_new (
+		E_TYPE_MAIL_AUTHENTICATOR,
+		"service", service, "mechanism", mechanism, NULL);
+}
+
+CamelService *
+e_mail_authenticator_get_service (EMailAuthenticator *auth)
+{
+	g_return_val_if_fail (E_IS_MAIL_AUTHENTICATOR (auth), NULL);
+
+	return auth->priv->service;
+}
+
+const gchar *
+e_mail_authenticator_get_mechanism (EMailAuthenticator *auth)
+{
+	g_return_val_if_fail (E_IS_MAIL_AUTHENTICATOR (auth), NULL);
+
+	return auth->priv->mechanism;
+}
+
diff --git a/mail/e-mail-authenticator.h b/mail/e-mail-authenticator.h
new file mode 100644
index 0000000..bcc3299
--- /dev/null
+++ b/mail/e-mail-authenticator.h
@@ -0,0 +1,76 @@
+/*
+ * e-mail-authenticator.h
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef E_MAIL_AUTHENTICATOR_H
+#define E_MAIL_AUTHENTICATOR_H
+
+#include <camel/camel.h>
+#include <libedataserver/e-source-authenticator.h>
+
+/* Standard GObject macros */
+#define E_TYPE_MAIL_AUTHENTICATOR \
+	(e_mail_authenticator_get_type ())
+#define E_MAIL_AUTHENTICATOR(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_MAIL_AUTHENTICATOR, EMailAuthenticator))
+#define E_MAIL_AUTHENTICATOR_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_MAIL_AUTHENTICATOR, EMailAuthenticatorClass))
+#define E_IS_MAIL_AUTHENTICATOR(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_MAIL_AUTHENTICATOR))
+#define E_IS_MAIL_AUTHENTICATOR_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_MAIL_AUTHENTICATOR))
+#define E_MAIL_AUTHENTICATOR_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), E_TYPE_MAIL_AUTHENTICATOR, EMailAuthenticatorClass))
+
+G_BEGIN_DECLS
+
+typedef struct _EMailAuthenticator EMailAuthenticator;
+typedef struct _EMailAuthenticatorClass EMailAuthenticatorClass;
+typedef struct _EMailAuthenticatorPrivate EMailAuthenticatorPrivate;
+
+/**
+ * EMailAuthenticator:
+ *
+ * Contains only private data that should be read and manipulated using the
+ * functions below.
+ **/
+struct _EMailAuthenticator {
+	GObject parent;
+	EMailAuthenticatorPrivate *priv;
+};
+
+struct _EMailAuthenticatorClass {
+	GObjectClass parent_class;
+};
+
+GType		e_mail_authenticator_get_type	(void);
+ESourceAuthenticator *
+		e_mail_authenticator_new	(CamelService *service,
+						 const gchar *mechanism);
+CamelService *	e_mail_authenticator_get_service
+						(EMailAuthenticator *auth);
+const gchar *	e_mail_authenticator_get_mechanism
+						(EMailAuthenticator *auth);
+
+G_END_DECLS
+
+#endif /* E_MAIL_AUTHENTICATOR_H */
diff --git a/mail/e-mail-backend.c b/mail/e-mail-backend.c
index 2f769e9..3279918 100644
--- a/mail/e-mail-backend.c
+++ b/mail/e-mail-backend.c
@@ -31,13 +31,13 @@
 #include <string.h>
 #include <glib/gstdio.h>
 #include <libedataserver/e-data-server-util.h>
+#include <libedataserver/e-source-camel.h>
+#include <libedataserver/e-source-mail-composition.h>
+#include <libedataserver/e-source-mail-submission.h>
 
-#include "e-util/e-account-utils.h"
 #include "e-util/e-alert-dialog.h"
 #include "e-util/e-alert-sink.h"
 
-#include "misc/e-account-combo-box.h"
-
 #include "shell/e-shell.h"
 
 #include "mail/e-mail-folder-utils.h"
@@ -257,7 +257,6 @@ mail_backend_prepare_for_quit_cb (EShell *shell,
                                   EActivity *activity,
                                   EMailBackend *backend)
 {
-	EAccountList *account_list;
 	EMailSession *session;
 	GList *list, *link;
 	gboolean delete_junk;
@@ -270,9 +269,6 @@ mail_backend_prepare_for_quit_cb (EShell *shell,
 
 	camel_application_is_exiting = TRUE;
 
-	account_list = e_get_account_list ();
-	e_account_list_prune_proxies (account_list);
-
 	mail_vfolder_shutdown ();
 
 	/* Cancel all pending activities. */
@@ -383,20 +379,26 @@ mail_backend_folder_deleted_cb (MailFolderCache *folder_cache,
                                 const gchar *folder_name,
                                 EMailBackend *backend)
 {
+	EShell *shell;
 	CamelStoreClass *class;
-	EAccountList *account_list;
-	EIterator *iterator;
+	ESourceRegistry *registry;
+	EShellBackend *shell_backend;
 	EMailSession *session;
 	EAlertSink *alert_sink;
+	GList *list, *link;
+	const gchar *extension_name;
 	const gchar *local_drafts_folder_uri;
 	const gchar *local_sent_folder_uri;
-	gboolean write_config = FALSE;
 	gchar *uri;
 
 	/* Check whether the deleted folder was a designated Drafts or
 	 * Sent folder for any mail account, and if so revert the setting
 	 * to the equivalent local folder, which is always present. */
 
+	shell_backend = E_SHELL_BACKEND (backend);
+	shell = e_shell_backend_get_shell (shell_backend);
+	registry = e_shell_get_registry (shell);
+
 	class = CAMEL_STORE_GET_CLASS (store);
 	g_return_if_fail (class->compare_folder_name != NULL);
 
@@ -413,51 +415,69 @@ mail_backend_folder_deleted_cb (MailFolderCache *folder_cache,
 
 	uri = e_mail_folder_uri_build (store, folder_name);
 
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
+	extension_name = E_SOURCE_EXTENSION_MAIL_COMPOSITION;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceExtension *extension;
+		const gchar *drafts_folder_uri;
 
-	while (e_iterator_is_valid (iterator)) {
-		EAccount *account;
+		extension = e_source_get_extension (source, extension_name);
 
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iterator);
+		drafts_folder_uri =
+			e_source_mail_composition_get_drafts_folder (
+			E_SOURCE_MAIL_COMPOSITION (extension));
 
-		if (account->sent_folder_uri != NULL) {
-			gboolean match;
+		if (class->compare_folder_name (drafts_folder_uri, uri)) {
+			GError *error = NULL;
 
-			match = class->compare_folder_name (
-				account->sent_folder_uri, uri);
+			e_source_mail_composition_set_drafts_folder (
+				E_SOURCE_MAIL_COMPOSITION (extension),
+				local_drafts_folder_uri);
 
-			if (match) {
-				g_free (account->sent_folder_uri);
-				account->sent_folder_uri =
-					g_strdup (local_sent_folder_uri);
-				write_config = TRUE;
+			/* FIXME This is a blocking D-Bus method call. */
+			if (!e_source_write_sync (source, NULL, &error)) {
+				g_warning ("%s", error->message);
+				g_error_free (error);
 			}
 		}
+	}
+
+	g_list_free (list);
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_SUBMISSION;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceExtension *extension;
+		const gchar *sent_folder_uri;
+
+		extension = e_source_get_extension (source, extension_name);
+
+		sent_folder_uri =
+			e_source_mail_submission_get_sent_folder (
+			E_SOURCE_MAIL_SUBMISSION (extension));
 
-		if (account->drafts_folder_uri != NULL) {
-			gboolean match;
+		if (class->compare_folder_name (sent_folder_uri, uri)) {
+			GError *error = NULL;
 
-			match = class->compare_folder_name (
-				account->drafts_folder_uri, uri);
+			e_source_mail_submission_set_sent_folder (
+				E_SOURCE_MAIL_SUBMISSION (extension),
+				local_sent_folder_uri);
 
-			if (match) {
-				g_free (account->drafts_folder_uri);
-				account->drafts_folder_uri =
-					g_strdup (local_drafts_folder_uri);
-				write_config = TRUE;
+			/* FIXME This is a blocking D-Bus method call. */
+			if (!e_source_write_sync (source, NULL, &error)) {
+				g_warning ("%s", error->message);
+				g_error_free (error);
 			}
 		}
-
-		e_iterator_next (iterator);
 	}
 
-	g_object_unref (iterator);
-	g_free (uri);
+	g_list_free (list);
 
-	if (write_config)
-		mail_config_write ();
+	g_free (uri);
 
 	/* This does something completely different.
 	 * XXX Make it a separate signal handler? */
@@ -471,10 +491,12 @@ mail_backend_folder_renamed_cb (MailFolderCache *folder_cache,
                                 const gchar *new_folder_name,
                                 EMailBackend *backend)
 {
+	EShell *shell;
 	CamelStoreClass *class;
-	EAccountList *account_list;
-	EIterator *iterator;
-	gboolean write_config = FALSE;
+	ESourceRegistry *registry;
+	EShellBackend *shell_backend;
+	GList *list, *link;
+	const gchar *extension_name;
 	gchar *old_uri;
 	gchar *new_uri;
 	gint ii;
@@ -484,54 +506,84 @@ mail_backend_folder_renamed_cb (MailFolderCache *folder_cache,
 		"views/custom_view-"
 	};
 
+	/* Check whether the renamed folder was a designated Drafts or
+	 * Sent folder for any mail account, and if so update the setting
+	 * to the new folder name. */
+
+	shell_backend = E_SHELL_BACKEND (backend);
+	shell = e_shell_backend_get_shell (shell_backend);
+	registry = e_shell_get_registry (shell);
+
 	class = CAMEL_STORE_GET_CLASS (store);
 	g_return_if_fail (class->compare_folder_name != NULL);
 
 	old_uri = e_mail_folder_uri_build (store, old_folder_name);
 	new_uri = e_mail_folder_uri_build (store, new_folder_name);
 
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
+	extension_name = E_SOURCE_EXTENSION_MAIL_COMPOSITION;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceExtension *extension;
+		const gchar *drafts_folder_uri;
 
-	while (e_iterator_is_valid (iterator)) {
-		EAccount *account;
+		extension = e_source_get_extension (source, extension_name);
 
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iterator);
+		drafts_folder_uri =
+			e_source_mail_composition_get_drafts_folder (
+			E_SOURCE_MAIL_COMPOSITION (extension));
 
-		if (account->sent_folder_uri != NULL) {
-			gboolean match;
+		if (class->compare_folder_name (drafts_folder_uri, old_uri)) {
+			GError *error = NULL;
 
-			match = class->compare_folder_name (
-				account->sent_folder_uri, old_uri);
+			e_source_mail_composition_set_drafts_folder (
+				E_SOURCE_MAIL_COMPOSITION (extension),
+				new_uri);
 
-			if (match) {
-				g_free (account->sent_folder_uri);
-				account->sent_folder_uri = g_strdup (new_uri);
-				write_config = TRUE;
+			/* FIXME This is a blocking D-Bus method call. */
+			if (!e_source_write_sync (source, NULL, &error)) {
+				g_warning ("%s", error->message);
+				g_error_free (error);
 			}
 		}
+	}
+
+	g_list_free (list);
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_SUBMISSION;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceExtension *extension;
+		const gchar *sent_folder_uri;
+
+		extension = e_source_get_extension (source, extension_name);
+
+		sent_folder_uri =
+			e_source_mail_submission_get_sent_folder (
+			E_SOURCE_MAIL_SUBMISSION (extension));
 
-		if (account->drafts_folder_uri != NULL) {
-			gboolean match;
+		if (class->compare_folder_name (sent_folder_uri, old_uri)) {
+			GError *error = NULL;
 
-			match = class->compare_folder_name (
-				account->drafts_folder_uri, old_uri);
+			e_source_mail_submission_set_sent_folder (
+				E_SOURCE_MAIL_SUBMISSION (extension),
+				new_uri);
 
-			if (match) {
-				g_free (account->drafts_folder_uri);
-				account->drafts_folder_uri = g_strdup (new_uri);
-				write_config = TRUE;
+			/* FIXME This is a blocking D-Bus method call. */
+			if (!e_source_write_sync (source, NULL, &error)) {
+				g_warning ("%s", error->message);
+				g_error_free (error);
 			}
 		}
-
-		e_iterator_next (iterator);
 	}
 
-	g_object_unref (iterator);
+	g_list_free (list);
 
-	if (write_config)
-		mail_config_write ();
+	g_free (old_uri);
+	g_free (new_uri);
 
 	/* Rename GalView files. */
 
@@ -549,9 +601,6 @@ mail_backend_folder_renamed_cb (MailFolderCache *folder_cache,
 		g_free (newname);
 	}
 
-	g_free (old_uri);
-	g_free (new_uri);
-
 	/* This does something completely different.
 	 * XXX Make it a separate signal handler? */
 	mail_filter_rename_folder (
@@ -587,10 +636,8 @@ mail_backend_folder_changed_cb (MailFolderCache *folder_cache,
 			g_object_unref (folder);
 	}
 
-	g_free (folder_uri);
-
 	target = em_event_target_new_folder (
-		event, store, folder_name, new_messages,
+		event, store, folder_uri, new_messages,
 		msg_uid, msg_sender, msg_subject);
 
 	folder_type = (flags & CAMEL_FOLDER_TYPE_MASK);
@@ -766,6 +813,7 @@ mail_backend_constructed (GObject *object)
 	EShell *shell;
 	EShellBackend *shell_backend;
 	MailFolderCache *folder_cache;
+	ESourceRegistry *registry;
 
 	priv = E_MAIL_BACKEND_GET_PRIVATE (object);
 
@@ -775,9 +823,10 @@ mail_backend_constructed (GObject *object)
 	if (camel_init (e_get_user_data_dir (), TRUE) != 0)
 		exit (0);
 
-	camel_provider_init ();
+	e_source_camel_register_types ();
 
-	priv->session = e_mail_session_new ();
+	registry = e_shell_get_registry (shell);
+	priv->session = e_mail_session_new (registry);
 
 	g_object_bind_property (
 		shell, "online",
@@ -801,10 +850,6 @@ mail_backend_constructed (GObject *object)
 		G_CALLBACK (mail_backend_job_finished_cb),
 		shell_backend);
 
-	/* FIXME This is an evil hack that needs to die.
-	 *       Give EAccountComboBox a CamelSession property. */
-	e_account_combo_box_set_session (CAMEL_SESSION (priv->session));
-
 	g_signal_connect (
 		shell, "prepare-for-offline",
 		G_CALLBACK (mail_backend_prepare_for_offline_cb),
@@ -842,7 +887,6 @@ mail_backend_constructed (GObject *object)
 		G_CALLBACK (mail_backend_folder_changed_cb), shell_backend);
 
 	mail_config_init (priv->session);
-	mail_msg_init ();
 
 	/* Chain up to parent's constructed() method. */
 	G_OBJECT_CLASS (e_mail_backend_parent_class)->constructed (object);
diff --git a/mail/e-mail-folder-pane.c b/mail/e-mail-folder-pane.c
index 2772280..ff98409 100644
--- a/mail/e-mail-folder-pane.c
+++ b/mail/e-mail-folder-pane.c
@@ -70,7 +70,10 @@ folder_pane_set_preview_visible (EMailView *view,
 static guint
 mail_paned_view_open_selected_mail (EMailPanedView *view)
 {
+	EShell *shell;
 	EMailReader *reader;
+	EMailBackend *backend;
+	ESourceRegistry *registry;
 	GPtrArray *uids;
 	gint i;
 	GtkWindow *window;
@@ -84,6 +87,10 @@ mail_paned_view_open_selected_mail (EMailPanedView *view)
 	uids = e_mail_reader_get_selected_uids (reader);
 	g_return_val_if_fail (uids != NULL, 0);
 
+	backend = e_mail_reader_get_backend (reader);
+	shell = e_shell_backend_get_shell (E_SHELL_BACKEND (backend));
+	registry = e_shell_get_registry (shell);
+
 	/* XXX Either e_mail_reader_get_selected_uids()
 	 *     or MessageList should do this itself. */
 	g_ptr_array_set_free_func (uids, (GDestroyNotify) g_free);
@@ -93,9 +100,9 @@ mail_paned_view_open_selected_mail (EMailPanedView *view)
 		return 0;
 	}
 
-	if (em_utils_folder_is_drafts (folder) ||
-		em_utils_folder_is_outbox (folder) ||
-		em_utils_folder_is_templates (folder)) {
+	if (em_utils_folder_is_drafts (registry, folder) ||
+		em_utils_folder_is_outbox (registry, folder) ||
+		em_utils_folder_is_templates (registry, folder)) {
 		em_utils_edit_messages (reader, folder, uids, TRUE);
 		g_ptr_array_unref (uids);
 		return 0;
@@ -123,8 +130,8 @@ mail_paned_view_open_selected_mail (EMailPanedView *view)
 			CAMEL_VEE_FOLDER (folder),
 			(CamelVeeMessageInfo *) info, &real_uid);
 
-		if (em_utils_folder_is_drafts (real_folder) ||
-			em_utils_folder_is_outbox (real_folder)) {
+		if (em_utils_folder_is_drafts (registry, real_folder) ||
+			em_utils_folder_is_outbox (registry, real_folder)) {
 			GPtrArray *edits;
 
 			edits = g_ptr_array_new_with_free_func (
diff --git a/mail/e-mail-migrate.c b/mail/e-mail-migrate.c
index fdf5684..c2eedea 100644
--- a/mail/e-mail-migrate.c
+++ b/mail/e-mail-migrate.c
@@ -53,11 +53,9 @@
 #include <libedataserver/e-data-server-util.h>
 #include <e-util/e-xml-utils.h>
 
-#include "e-util/e-account-utils.h"
 #include "e-util/e-alert-dialog.h"
 #include "e-util/e-util-private.h"
 #include "e-util/e-plugin.h"
-#include "e-util/e-signature-utils.h"
 
 #include "shell/e-shell.h"
 #include "shell/e-shell-migrate.h"
@@ -226,6 +224,7 @@ cp (const gchar *src,
 static void
 em_update_accounts_2_11 (void)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccountList *accounts;
 	EIterator *iter;
 	gboolean changed = FALSE;
@@ -258,6 +257,7 @@ em_update_accounts_2_11 (void)
 
 	if (changed)
 		e_account_list_save (accounts);
+#endif /* ACCOUNT_MGMT */
 }
 
 #endif	/* !G_OS_WIN32 */
@@ -667,6 +667,7 @@ static gboolean
 create_mbox_account (EShellBackend *shell_backend,
                      EMMigrateSession *session)
 {
+#if 0 /* ACCOUNT_MGMT */
 	EMailBackend *mail_backend;
 	EMailSession *mail_session;
 	CamelService *service;
@@ -736,6 +737,7 @@ exit:
 	g_free (uri);
 	g_free (name);
 	g_free (id);
+#endif /* ACCOUNT_MGMT */
 
 	return TRUE;
 }
@@ -743,6 +745,7 @@ exit:
 static void
 change_sent_and_drafts_local_folders (EShellBackend *shell_backend)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EMailBackend *backend;
 	EMailSession *session;
 	EAccountList *accounts;
@@ -824,243 +827,7 @@ change_sent_and_drafts_local_folders (EShellBackend *shell_backend)
 
 	if (changed)
 		e_account_list_save (accounts);
-}
-
-static void
-em_rename_camel_url_params (CamelURL *url)
-{
-	/* This list includes known URL parameters from built-in providers
-	 * in Camel, as well as from evolution-exchange, evolution-groupwise,
-	 * and evolution-mapi.  Add more as needed. */
-	static struct {
-		const gchar *url_parameter;
-		const gchar *property_name;
-	} camel_url_conversion[] = {
-		{ "ad_auth",			"gc-auth-method" },
-		{ "ad_browse",			"gc-allow-browse" },
-		{ "ad_expand_groups",		"gc-expand-groups" },
-		{ "ad_limit",			"gc-results-limit" },
-		{ "ad_server",			"gc-server-name" },
-		{ "all_headers",		"fetch-headers" },
-		{ "basic_headers",		"fetch-headers" },
-		{ "cachedconn"			"concurrent-connections" },
-		{ "check_all",			"check-all" },
-		{ "check_lsub",			"check-subscribed" },
-		{ "command",			"shell-command" },
-		{ "delete_after",		"delete-after-days" },
-		{ "delete_expunged",		"delete-expunged" },
-		{ "disable_extensions",		"disable-extensions" },
-		{ "dotfolders",			"use-dot-folders" },
-		{ "filter",			"filter-inbox" },
-		{ "filter_junk",		"filter-junk" },
-		{ "filter_junk_inbox",		"filter-junk-inbox" },
-		{ "folder_hierarchy_relative",	"folder-hierarchy-relative" },
-		{ "imap_custom_headers",	"fetch-headers-extra" },
-		{ "keep_on_server",		"keep-on-server" },
-		{ "offline_sync",		"stay-synchronized" },
-		{ "override_namespace",		"use-namespace" },
-		{ "owa_path",			"owa-path" },
-		{ "owa_url",			"owa-url" },
-		{ "password_exp_warn_period",	"password-exp-warn-period" },
-		{ "real_junk_path",		"real-junk-path" },
-		{ "real_trash_path",		"real-trash-path" },
-		{ "show_short_notation",	"short-folder-names" },
-		{ "soap_port",			"soap-port" },
-		{ "ssl",			"security-method" },
-		{ "sync_offline",		"stay-synchronized" },
-		{ "use_command",		"use-shell-command" },
-		{ "use_idle",			"use-idle" },
-		{ "use_lsub",			"use-subscriptions" },
-		{ "use_qresync",		"use-qresync" },
-		{ "use_ssl",			"security-method" },
-		{ "xstatus",			"use-xstatus-headers" }
-	};
-
-	const gchar *param;
-	const gchar *use_param;
-	gint ii;
-
-	for (ii = 0; ii < G_N_ELEMENTS (camel_url_conversion); ii++) {
-		const gchar *key;
-		gpointer value;
-
-		key = camel_url_conversion[ii].url_parameter;
-		value = g_datalist_get_data (&url->params, key);
-
-		if (value == NULL)
-			continue;
-
-		g_datalist_remove_no_notify (&url->params, key);
-
-		key = camel_url_conversion[ii].property_name;
-
-		/* Deal with a few special enum cases where
-		 * the parameter value also needs renamed. */
-
-		if (strcmp (key, "all_headers") == 0) {
-			GEnumClass *enum_class;
-			GEnumValue *enum_value;
-
-			enum_class = g_type_class_ref (
-				CAMEL_TYPE_FETCH_HEADERS_TYPE);
-			enum_value = g_enum_get_value (
-				enum_class, CAMEL_FETCH_HEADERS_ALL);
-			if (enum_value != NULL) {
-				g_free (value);
-				value = g_strdup (enum_value->value_nick);
-			} else
-				g_warn_if_reached ();
-			g_type_class_unref (enum_class);
-		}
-
-		if (strcmp (key, "basic_headers") == 0) {
-			GEnumClass *enum_class;
-			GEnumValue *enum_value;
-
-			enum_class = g_type_class_ref (
-				CAMEL_TYPE_FETCH_HEADERS_TYPE);
-			enum_value = g_enum_get_value (
-				enum_class, CAMEL_FETCH_HEADERS_BASIC);
-			if (enum_value != NULL) {
-				g_free (value);
-				value = g_strdup (enum_value->value_nick);
-			} else
-				g_warn_if_reached ();
-			g_type_class_unref (enum_class);
-		}
-
-		if (strcmp (key, "imap_custom_headers") == 0)
-			g_strdelimit (value, " ", ',');
-
-		if (strcmp (key, "security-method") == 0) {
-			CamelNetworkSecurityMethod method;
-			GEnumClass *enum_class;
-			GEnumValue *enum_value;
-
-			if (strcmp (value, "always") == 0)
-				method = CAMEL_NETWORK_SECURITY_METHOD_SSL_ON_ALTERNATE_PORT;
-			else if (strcmp (value, "1") == 0)
-				method = CAMEL_NETWORK_SECURITY_METHOD_SSL_ON_ALTERNATE_PORT;
-			else if (strcmp (value, "when-possible") == 0)
-				method = CAMEL_NETWORK_SECURITY_METHOD_STARTTLS_ON_STANDARD_PORT;
-			else
-				method = CAMEL_NETWORK_SECURITY_METHOD_NONE;
-
-			enum_class = g_type_class_ref (
-				CAMEL_TYPE_NETWORK_SECURITY_METHOD);
-			enum_value = g_enum_get_value (enum_class, method);
-			if (enum_value != NULL) {
-				g_free (value);
-				value = g_strdup (enum_value->value_nick);
-			} else
-				g_warn_if_reached ();
-			g_type_class_unref (enum_class);
-		}
-
-		g_datalist_set_data_full (&url->params, key, value, g_free);
-	}
-
-	/* A few more adjustments...
-	 *
-	 * These are all CAMEL_PROVIDER_CONF_CHECKSPIN settings.  The spin
-	 * button value is bound to "param" and the checkbox state is bound
-	 * to "use-param".  The "use-param" settings are new.  If "param"
-	 * exists but no "use-param", then set "use-param" to "true". */
-
-	param = g_datalist_get_data (&url->params, "gc-results-limit");
-	use_param = g_datalist_get_data (&url->params, "use-gc-results-limit");
-	if (param != NULL && *param != '\0' && use_param == NULL) {
-		g_datalist_set_data_full (
-			&url->params, "use-gc-results-limit",
-			g_strdup ("true"), (GDestroyNotify) g_free);
-	}
-
-	param = g_datalist_get_data (&url->params, "kerberos");
-	if (g_strcmp0 (param, "required") == 0) {
-		g_datalist_set_data_full (
-			&url->params, "kerberos",
-			g_strdup ("true"), (GDestroyNotify) g_free);
-	}
-
-	param = g_datalist_get_data (
-		&url->params, "password-exp-warn-period");
-	use_param = g_datalist_get_data (
-		&url->params, "use-password-exp-warn-period");
-	if (param != NULL && *param != '\0' && use_param == NULL) {
-		g_datalist_set_data_full (
-			&url->params, "use-password-exp-warn-period",
-			g_strdup ("true"), (GDestroyNotify) g_free);
-	}
-
-	param = g_datalist_get_data (&url->params, "real-junk-path");
-	use_param = g_datalist_get_data (&url->params, "use-real-junk-path");
-	if (param != NULL && *param != '\0' && use_param == NULL) {
-		g_datalist_set_data_full (
-			&url->params, "use-real-junk-path",
-			g_strdup ("true"), (GDestroyNotify) g_free);
-	}
-
-	param = g_datalist_get_data (&url->params, "real-trash-path");
-	use_param = g_datalist_get_data (&url->params, "use-real-trash-path");
-	if (param != NULL && *param != '\0' && use_param == NULL) {
-		g_datalist_set_data_full (
-			&url->params, "use-real-trash-path",
-			g_strdup ("true"), (GDestroyNotify) g_free);
-	}
-}
-
-static void
-em_rename_account_params (void)
-{
-	EAccountList *account_list;
-	EIterator *iterator;
-
-	/* XXX As of 3.2, CamelServices store settings in GObject properties,
-	 *     not CamelURL parameters.  CamelURL parameters are still used
-	 *     for storage in GConf until we can move account information to
-	 *     key files, but this is only within Evolution.  Some of the new
-	 *     GObject property names differ from the old CamelURL parameter
-	 *     names.  This routine renames the CamelURL parameter names to
-	 *     the GObject property names for all accounts, both the source
-	 *     and tranport URLs. */
-
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
-
-	while (e_iterator_is_valid (iterator)) {
-		EAccount *account;
-		CamelURL *url = NULL;
-
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iterator);
-
-		if (account->source->url != NULL)
-			url = camel_url_new (account->source->url, NULL);
-
-		if (url != NULL) {
-			em_rename_camel_url_params (url);
-			g_free (account->source->url);
-			account->source->url = camel_url_to_string (url, 0);
-			camel_url_free (url);
-		}
-
-		url = NULL;
-
-		if (account->transport->url != NULL)
-			url = camel_url_new (account->transport->url, NULL);
-
-		if (url != NULL) {
-			em_rename_camel_url_params (url);
-			g_free (account->transport->url);
-			account->transport->url = camel_url_to_string (url, 0);
-			camel_url_free (url);
-		}
-
-		e_iterator_next (iterator);
-	}
-
-	g_object_unref (iterator);
-	e_account_list_save (account_list);
+#endif /* ACCOUNT_MGMT */
 }
 
 static gboolean
@@ -1209,10 +976,6 @@ e_mail_migrate (EShellBackend *shell_backend,
 		em_ensure_proxy_ignore_hosts_being_list ();
 	}
 
-	/* Rename account URL parameters to
-	 * match CamelSettings property names. */
-	em_rename_account_params ();
-
 	if (!migrate_local_store (shell_backend))
 		return FALSE;
 
diff --git a/mail/e-mail-paned-view.c b/mail/e-mail-paned-view.c
index 0098462..b4e100f 100644
--- a/mail/e-mail-paned-view.c
+++ b/mail/e-mail-paned-view.c
@@ -786,6 +786,7 @@ mail_paned_view_update_view_instance (EMailView *view)
 	EShellWindow *shell_window;
 	EShellViewClass *shell_view_class;
 	EShellSettings *shell_settings;
+	ESourceRegistry *registry;
 	GalViewCollection *view_collection;
 	GalViewInstance *view_instance;
 	CamelFolder *folder;
@@ -803,6 +804,7 @@ mail_paned_view_update_view_instance (EMailView *view)
 
 	shell_window = e_shell_view_get_shell_window (shell_view);
 	shell = e_shell_window_get_shell (shell_window);
+	registry = e_shell_get_registry (shell);
 	shell_settings = e_shell_get_shell_settings (shell);
 
 	reader = E_MAIL_READER (view);
@@ -821,9 +823,9 @@ mail_paned_view_update_view_instance (EMailView *view)
 	e_filename_make_safe (view_id);
 
 	outgoing_folder =
-		em_utils_folder_is_drafts (folder) ||
-		em_utils_folder_is_outbox (folder) ||
-		em_utils_folder_is_sent (folder);
+		em_utils_folder_is_drafts (registry, folder) ||
+		em_utils_folder_is_outbox (registry, folder) ||
+		em_utils_folder_is_sent (registry, folder);
 
 	if (e_shell_settings_get_boolean (shell_settings, "mail-global-view-setting"))
 		view_instance = e_shell_view_new_view_instance (
diff --git a/mail/e-mail-reader-utils.c b/mail/e-mail-reader-utils.c
index bd51c97..91530af 100644
--- a/mail/e-mail-reader-utils.c
+++ b/mail/e-mail-reader-utils.c
@@ -30,6 +30,7 @@
 #include <glib/gi18n.h>
 #include <libxml/tree.h>
 #include <gtkhtml/gtkhtml.h>
+#include <gconf/gconf-client.h>
 #include <camel/camel.h>
 
 #include "e-util/e-alert-dialog.h"
@@ -342,7 +343,9 @@ copy_tree_state (EMailReader *src_reader,
 guint
 e_mail_reader_open_selected (EMailReader *reader)
 {
+	EShell *shell;
 	EMailBackend *backend;
+	ESourceRegistry *registry;
 	CamelFolder *folder;
 	GtkWindow *window;
 	GPtrArray *views;
@@ -352,6 +355,9 @@ e_mail_reader_open_selected (EMailReader *reader)
 	g_return_val_if_fail (E_IS_MAIL_READER (reader), 0);
 
 	backend = e_mail_reader_get_backend (reader);
+	shell = e_shell_backend_get_shell (E_SHELL_BACKEND (backend));
+	registry = e_shell_get_registry (shell);
+
 	folder = e_mail_reader_get_folder (reader);
 	uids = e_mail_reader_get_selected_uids (reader);
 	window = e_mail_reader_get_window (reader);
@@ -361,9 +367,9 @@ e_mail_reader_open_selected (EMailReader *reader)
 		return 0;
 	}
 
-	if (em_utils_folder_is_drafts (folder) ||
-		em_utils_folder_is_outbox (folder) ||
-		em_utils_folder_is_templates (folder)) {
+	if (em_utils_folder_is_drafts (registry, folder) ||
+		em_utils_folder_is_outbox (registry, folder) ||
+		em_utils_folder_is_templates (registry, folder)) {
 		em_utils_edit_messages (reader, folder, uids, TRUE);
 		return uids->len;
 	}
@@ -390,8 +396,8 @@ e_mail_reader_open_selected (EMailReader *reader)
 			CAMEL_VEE_FOLDER (folder),
 			(CamelVeeMessageInfo *) info, &real_uid);
 
-		if (em_utils_folder_is_drafts (real_folder) ||
-			em_utils_folder_is_outbox (real_folder)) {
+		if (em_utils_folder_is_drafts (registry, real_folder) ||
+			em_utils_folder_is_outbox (registry, real_folder)) {
 			GPtrArray *edits;
 
 			edits = g_ptr_array_new ();
@@ -1149,9 +1155,12 @@ void
 e_mail_reader_create_filter_from_selected (EMailReader *reader,
                                            gint filter_type)
 {
+	EShell *shell;
 	EActivity *activity;
+	EMailBackend *backend;
 	AsyncContext *context;
 	GCancellable *cancellable;
+	ESourceRegistry *registry;
 	CamelFolder *folder;
 	GPtrArray *uids;
 	const gchar *filter_source;
@@ -1159,12 +1168,16 @@ e_mail_reader_create_filter_from_selected (EMailReader *reader,
 
 	g_return_if_fail (E_IS_MAIL_READER (reader));
 
+	backend = e_mail_reader_get_backend (reader);
+	shell = e_shell_backend_get_shell (E_SHELL_BACKEND (backend));
+	registry = e_shell_get_registry (shell);
+
 	folder = e_mail_reader_get_folder (reader);
 	g_return_if_fail (CAMEL_IS_FOLDER (folder));
 
-	if (em_utils_folder_is_sent (folder))
+	if (em_utils_folder_is_sent (registry, folder))
 		filter_source = E_FILTER_SOURCE_OUTGOING;
-	else if (em_utils_folder_is_outbox (folder))
+	else if (em_utils_folder_is_outbox (registry, folder))
 		filter_source = E_FILTER_SOURCE_OUTGOING;
 	else
 		filter_source = E_FILTER_SOURCE_INCOMING;
diff --git a/mail/e-mail-reader.c b/mail/e-mail-reader.c
index 12e3a8a..124e082 100644
--- a/mail/e-mail-reader.c
+++ b/mail/e-mail-reader.c
@@ -28,11 +28,12 @@
 #include <glib/gi18n.h>
 #include <gdk/gdkkeysyms.h>
 
+#include <libedataserver/e-source-mail-account.h>
+
 #ifdef HAVE_XFREE
 #include <X11/XF86keysym.h>
 #endif
 
-#include "e-util/e-account-utils.h"
 #include "e-util/e-charset.h"
 #include "e-util/e-util.h"
 #include "e-util/e-alert-dialog.h"
@@ -752,6 +753,9 @@ static void
 action_mail_message_edit_cb (GtkAction *action,
                              EMailReader *reader)
 {
+	EShell *shell;
+	EMailBackend *backend;
+	ESourceRegistry *registry;
 	CamelFolder *folder;
 	GPtrArray *uids;
 	gboolean replace;
@@ -760,11 +764,15 @@ action_mail_message_edit_cb (GtkAction *action,
 	uids = e_mail_reader_get_selected_uids (reader);
 	g_return_if_fail (uids != NULL);
 
+	backend = e_mail_reader_get_backend (reader);
+	shell = e_shell_backend_get_shell (E_SHELL_BACKEND (backend));
+	registry = e_shell_get_registry (shell);
+
 	/* XXX Either e_mail_reader_get_selected_uids()
 	 *     or MessageList should do this itself. */
 	g_ptr_array_set_free_func (uids, (GDestroyNotify) g_free);
 
-	replace = em_utils_folder_is_drafts (folder);
+	replace = em_utils_folder_is_drafts (registry, folder);
 	em_utils_edit_messages (reader, folder, uids, replace);
 
 	g_ptr_array_unref (uids);
@@ -2797,6 +2805,7 @@ mail_reader_set_folder (EMailReader *reader,
 	EMailReaderPrivate *priv;
 	EMFormatHTML *formatter;
 	CamelFolder *previous_folder;
+	ESourceRegistry *registry;
 	GtkWidget *message_list;
 	EMailBackend *backend;
 	EShell *shell;
@@ -2804,13 +2813,14 @@ mail_reader_set_folder (EMailReader *reader,
 
 	priv = E_MAIL_READER_GET_PRIVATE (reader);
 
-	backend = e_mail_reader_get_backend (reader);
 	formatter = e_mail_reader_get_formatter (reader);
 	message_list = e_mail_reader_get_message_list (reader);
 
 	previous_folder = e_mail_reader_get_folder (reader);
 
+	backend = e_mail_reader_get_backend (reader);
 	shell = e_shell_backend_get_shell (E_SHELL_BACKEND (backend));
+	registry = e_shell_get_registry (shell);
 
 	/* Only synchronize the folder if we're online. */
 	if (previous_folder != NULL && e_shell_get_online (shell))
@@ -2821,9 +2831,9 @@ mail_reader_set_folder (EMailReader *reader,
 		return;
 
 	outgoing = folder != NULL && (
-		em_utils_folder_is_drafts (folder) ||
-		em_utils_folder_is_outbox (folder) ||
-		em_utils_folder_is_sent (folder));
+		em_utils_folder_is_drafts (registry, folder) ||
+		em_utils_folder_is_outbox (registry, folder) ||
+		em_utils_folder_is_sent (registry, folder));
 
 	/* FIXME Need to pass a GCancellable. */
 	em_format_format (EM_FORMAT (formatter), NULL, NULL, NULL, NULL);
@@ -3799,9 +3809,14 @@ e_mail_reader_changed (EMailReader *reader)
 guint32
 e_mail_reader_check_state (EMailReader *reader)
 {
+	EShell *shell;
 	GPtrArray *uids;
 	CamelFolder *folder;
 	CamelStore *store = NULL;
+	EMailBackend *backend;
+	ESourceRegistry *registry;
+	GList *list, *iter;
+	const gchar *extension_name;
 	const gchar *tag;
 	gboolean can_clear_flags = FALSE;
 	gboolean can_flag_completed = FALSE;
@@ -3815,6 +3830,7 @@ e_mail_reader_check_state (EMailReader *reader)
 	gboolean has_undeleted = FALSE;
 	gboolean has_unimportant = FALSE;
 	gboolean has_unread = FALSE;
+	gboolean have_enabled_account = FALSE;
 	gboolean drafts_or_outbox = FALSE;
 	gboolean store_supports_vjunk = FALSE;
 	gboolean is_mailing_list;
@@ -3824,6 +3840,10 @@ e_mail_reader_check_state (EMailReader *reader)
 
 	g_return_val_if_fail (E_IS_MAIL_READER (reader), 0);
 
+	backend = e_mail_reader_get_backend (reader);
+	shell = e_shell_backend_get_shell (E_SHELL_BACKEND (backend));
+	registry = e_shell_get_registry (shell);
+
 	folder = e_mail_reader_get_folder (reader);
 	uids = e_mail_reader_get_selected_uids (reader);
 
@@ -3833,8 +3853,8 @@ e_mail_reader_check_state (EMailReader *reader)
 		is_junk_folder =
 			(folder->folder_flags & CAMEL_FOLDER_IS_JUNK) != 0;
 		drafts_or_outbox =
-			em_utils_folder_is_drafts (folder) ||
-			em_utils_folder_is_outbox (folder);
+			em_utils_folder_is_drafts (registry, folder) ||
+			em_utils_folder_is_outbox (registry, folder);
 	}
 
 	/* Initialize this flag based on whether there are any
@@ -3919,7 +3939,21 @@ e_mail_reader_check_state (EMailReader *reader)
 		camel_folder_free_message_info (folder, info);
 	}
 
-	if (e_get_any_enabled_account () != NULL)
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (iter = list; iter != NULL; iter = g_list_next (iter)) {
+		ESource *source = E_SOURCE (iter->data);
+
+		if (e_source_get_enabled (source)) {
+			have_enabled_account = TRUE;
+			break;
+		}
+	}
+
+	g_list_free (list);
+
+	if (have_enabled_account)
 		state |= E_MAIL_READER_HAVE_ENABLED_ACCOUNT;
 	if (uids->len == 1)
 		state |= E_MAIL_READER_SELECTION_SINGLE;
diff --git a/mail/e-mail-session-utils.c b/mail/e-mail-session-utils.c
index f1c27a3..6a27c6e 100644
--- a/mail/e-mail-session-utils.c
+++ b/mail/e-mail-session-utils.c
@@ -25,10 +25,10 @@
 #include "em-utils.h"
 
 #include <glib/gi18n-lib.h>
+#include <libedataserver/e-source-mail-submission.h>
 
 #include <mail/mail-tools.h>
 #include <mail/e-mail-folder-utils.h>
-#include <e-util/e-account-utils.h>
 #include <filter/e-filter-rule.h>
 
 /* X-Mailer header value */
@@ -642,7 +642,8 @@ e_mail_session_send_to (EMailSession *session,
 	CamelAddress *recipients;
 	CamelMedium *medium;
 	CamelMessageInfo *info;
-	EAccount *account = NULL;
+	ESourceRegistry *registry;
+	ESource *source = NULL;
 	GPtrArray *post_to_uris;
 	struct _camel_header_raw *xev;
 	struct _camel_header_raw *header;
@@ -655,6 +656,8 @@ e_mail_session_send_to (EMailSession *session,
 	g_return_if_fail (E_IS_MAIL_SESSION (session));
 	g_return_if_fail (CAMEL_IS_MIME_MESSAGE (message));
 
+	registry = e_mail_session_get_registry (session);
+
 	medium = CAMEL_MEDIUM (message);
 
 	camel_medium_set_header (medium, "X-Mailer", X_MAILER);
@@ -663,28 +666,25 @@ e_mail_session_send_to (EMailSession *session,
 
 	/* Extract directives from X-Evolution headers. */
 
-	string = camel_header_raw_find (&xev, "X-Evolution-Account", NULL);
+	string = camel_header_raw_find (&xev, "X-Evolution-Identity", NULL);
 	if (string != NULL) {
-		gchar *account_uid;
-
-		account_uid = g_strstrip (g_strdup (string));
-		account = e_get_account_by_uid (account_uid);
-		g_free (account_uid);
+		gchar *uid = g_strstrip (g_strdup (string));
+		source = e_source_registry_lookup_by_uid (registry, uid);
+		g_free (uid);
 	}
 
-	if (account != NULL) {
-		if (account->transport != NULL) {
+	if (E_IS_SOURCE (source)) {
+		ESourceMailSubmission *extension;
+		const gchar *extension_name;
 
-			/* XXX Transport UIDs are kludgy right now.  We
-			 *     use the EAccount's regular UID and tack on
-			 *     "-transport".  Will be better soon. */
-			transport_uid = g_strconcat (
-				account->uid, "-transport", NULL);
+		extension_name = E_SOURCE_EXTENSION_MAIL_SUBMISSION;
+		extension = e_source_get_extension (source, extension_name);
 
-			/* to reprompt password on sending if needed */
-			account->transport->get_password_canceled = FALSE;
-		}
-		sent_folder_uri = g_strdup (account->sent_folder_uri);
+		string = e_source_mail_submission_get_sent_folder (extension);
+		sent_folder_uri = g_strdup (string);
+
+		string = e_source_mail_submission_get_transport_uid (extension);
+		transport_uid = g_strdup (string);
 	}
 
 	string = camel_header_raw_find (&xev, "X-Evolution-Fcc", NULL);
diff --git a/mail/e-mail-session.c b/mail/e-mail-session.c
index 70631bd..92f97fb 100644
--- a/mail/e-mail-session.c
+++ b/mail/e-mail-session.c
@@ -1,3 +1,4 @@
+
 /*
  * e-mail-session.c
  *
@@ -45,10 +46,17 @@
 #include <libedataserver/e-flag.h>
 #include <libedataserver/e-proxy.h>
 #include <libebackend/e-extensible.h>
+#include <libedataserver/e-source-authentication.h>
+#include <libedataserver/e-source-camel.h>
+#include <libedataserver/e-source-mail-account.h>
+#include <libedataserver/e-source-mail-identity.h>
+#include <libedataserver/e-source-mail-submission.h>
+#include <libedataserver/e-source-mail-transport.h>
+#include <libedataserver/e-source-password.h>
+#include <libedataserver/e-source-refresh.h>
 #include <libedataserverui/e-passwords.h>
 
 #include "e-util/e-util.h"
-#include "e-util/e-account-utils.h"
 #include "e-util/e-alert-dialog.h"
 #include "e-util/e-util-private.h"
 
@@ -58,12 +66,14 @@
 #include "shell/e-shell-window.h"
 
 #include "e-mail-account-store.h"
+#include "e-mail-authenticator.h"
 #include "e-mail-folder-utils.h"
 #include "e-mail-junk-filter.h"
 #include "e-mail-session.h"
 #include "em-composer-utils.h"
 #include "em-filter-context.h"
 #include "em-filter-rule.h"
+#include "em-folder-tree-model.h"
 #include "em-utils.h"
 #include "mail-config.h"
 #include "mail-mt.h"
@@ -82,10 +92,14 @@ struct _EMailSessionPrivate {
 	EMailAccountStore *account_store;
 	MailFolderCache *folder_cache;
 	EMailLabelListStore *label_store;
+	ESourceRegistry *registry;
+
+	/* ESource UID -> Timeout ID */
+	GHashTable *auto_refresh_table;
 
-	EAccountList *account_list;
-	gulong account_added_handler_id;
-	gulong account_changed_handler_id;
+	gulong source_added_handler_id;
+	gulong source_changed_handler_id;
+	gulong source_removed_handler_id;
 
 	CamelStore *local_store;
 	CamelStore *vfolder_store;
@@ -121,6 +135,7 @@ enum {
 	PROP_JUNK_FILTER_NAME,
 	PROP_LABEL_STORE,
 	PROP_LOCAL_STORE,
+	PROP_REGISTRY,
 	PROP_VFOLDER_STORE
 };
 
@@ -564,21 +579,66 @@ source_context_free (SourceContext *context)
 }
 
 static gchar *
-mail_session_make_key (CamelService *service,
-                       const gchar *item)
+mail_session_resolve_popb4smtp (ESourceRegistry *registry,
+                                CamelService *smtp_service)
 {
-	gchar *key;
+	GList *list, *link;
+	const gchar *extension_name;
+	const gchar *smtp_uid;
+	gchar *pop_uid = NULL;
+
+	/* Find a POP account that uses the given smtp_service as its
+	 * transport.  XXX This isn't foolproof though, since we don't
+	 * check that the POP server is at the same domain as the SMTP
+	 * server, which is kind of the point of POPB4SMTP. */
+
+	smtp_uid = camel_service_get_uid (smtp_service);
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceExtension *extension;
+		const gchar *backend_name;
+		const gchar *uid;
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+		extension = e_source_get_extension (source, extension_name);
 
-	if (service != NULL) {
-		CamelURL *url;
+		/* We're only interested in POP accounts. */
 
-		url = camel_service_new_camel_url (service);
-		key = camel_url_to_string (url, CAMEL_URL_HIDE_ALL);
-		camel_url_free (url);
-	} else
-		key = g_strdup (item);
+		backend_name = e_source_backend_get_backend_name (
+			E_SOURCE_BACKEND (extension));
+		if (g_strcmp0 (backend_name, "pop") != 0)
+			continue;
+
+		/* Get the mail account's default mail identity. */
+
+		source = e_source_mail_account_get_identity (
+			E_SOURCE_MAIL_ACCOUNT (extension));
+		if (source == NULL)
+			continue;
+
+		/* Get the mail identity's default mail transport. */
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_SUBMISSION;
+		extension = e_source_get_extension (source, extension_name);
+
+		uid = e_source_mail_submission_get_transport_uid (
+			E_SOURCE_MAIL_SUBMISSION (extension));
+		if (uid == NULL)
+			continue;
 
-	return key;
+		if (g_strcmp0 (uid, smtp_uid) == 0) {
+			pop_uid = g_strdup (uid);
+			break;
+		}
+	}
+
+	g_list_free (list);
+
+	return pop_uid;
 }
 
 static void
@@ -653,134 +713,133 @@ mail_session_set_junk_filter_name (EMailSession *session,
 }
 
 static void
-mail_session_add_by_account (EMailSession *session,
-                             EAccount *account)
+mail_session_refresh_cb (ESource *source,
+                         CamelSession *session)
 {
-	CamelService *service = NULL;
-	CamelProvider *provider;
-	CamelURL *url;
-	gboolean transport_only;
-	GError *error = NULL;
-
-	/* check whether it's transport-only accounts */
-	transport_only =
-		(account->source == NULL) ||
-		(account->source->url == NULL) ||
-		(*account->source->url == '\0');
-	if (transport_only)
-		goto handle_transport;
-
-	/* Load the service, but don't connect.  Check its provider,
-	 * and if this belongs in the folder tree model, add it. */
-
-	url = camel_url_new (account->source->url, NULL);
-	if (url != NULL) {
-		provider = camel_provider_get (url->protocol, NULL);
-		camel_url_free (url);
-	} else {
-		provider = NULL;
-	}
+	CamelService *service;
+	const gchar *uid;
 
-	if (provider == NULL) {
-		/* In case we do not have a provider here, we handle
-		 * the special case of having multiple mail identities
-		 * eg. a dummy account having just SMTP server defined */
-		goto handle_transport;
-	}
+	uid = e_source_get_uid (source);
+	service = camel_session_get_service (session, uid);
+	g_return_if_fail (CAMEL_IS_SERVICE (service));
 
-	service = camel_session_add_service (
-		CAMEL_SESSION (session),
-		account->uid, provider->protocol,
-		CAMEL_PROVIDER_STORE, &error);
+	g_debug ("*** Refreshing %s ***",
+		e_source_get_display_name (source));
 
-	if (error != NULL) {
-		g_warning (
-			"Failed to add service: %s: %s",
-			account->name, error->message);
-		g_error_free (error);
-		return;
-	}
+	if (camel_session_get_online (session))
+		mail_receive_service (service);
+}
 
-	camel_service_set_display_name (service, account->name);
+static void
+mail_session_add_from_source (EMailSession *session,
+                              CamelProviderType type,
+                              ESource *source)
+{
+	ESourceBackend *extension;
+	const gchar *uid;
+	const gchar *backend_name;
+	const gchar *display_name;
+	const gchar *extension_name;
+	GError *error = NULL;
 
-handle_transport:
+	switch (type) {
+		case CAMEL_PROVIDER_STORE:
+			extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+			break;
+		case CAMEL_PROVIDER_TRANSPORT:
+			extension_name = E_SOURCE_EXTENSION_MAIL_TRANSPORT;
+			break;
+		default:
+			g_return_if_reached ();
+	}
 
-	/* While we're at it, add the account's transport (if it has one)
-	 * to the CamelSession.  The transport's UID is a kludge for now.
-	 * We take the EAccount's UID and tack on "-transport". */
+	uid = e_source_get_uid (source);
+	display_name = e_source_get_display_name (source);
 
-	if (account->transport) {
-		GError *transport_error = NULL;
+	extension = e_source_get_extension (source, extension_name);
+	backend_name = e_source_backend_get_backend_name (extension);
 
-		url = camel_url_new (
-			account->transport->url,
-			&transport_error);
+	/* Sanity checks. */
+	g_return_if_fail (uid != NULL);
+	g_return_if_fail (backend_name != NULL);
 
-		if (url != NULL) {
-			provider = camel_provider_get (
-				url->protocol, &transport_error);
-			camel_url_free (url);
-		} else
-			provider = NULL;
+	/* Our own CamelSession.add_service() method will handle the
+	 * resulting CamelService, so we don't need the return value. */
+	camel_session_add_service (
+		CAMEL_SESSION (session), uid,
+		backend_name, type, &error);
 
-		if (provider != NULL) {
-			gchar *transport_uid;
+	if (error != NULL) {
+		g_warning (
+			"Failed to add service '%s' (%s): %s",
+			display_name, uid, error->message);
+		g_error_free (error);
+	}
 
-			transport_uid = g_strconcat (
-				account->uid, "-transport", NULL);
+	/* Set up auto-refresh. */
+	extension_name = E_SOURCE_EXTENSION_REFRESH;
+	if (e_source_has_extension (source, extension_name)) {
+		guint timeout_id;
 
-			camel_session_add_service (
-				CAMEL_SESSION (session),
-				transport_uid, provider->protocol,
-				CAMEL_PROVIDER_TRANSPORT, &transport_error);
+		/* Transports should not have a refresh extension. */
+		g_warn_if_fail (type != CAMEL_PROVIDER_TRANSPORT);
 
-			g_free (transport_uid);
-		}
+		timeout_id = e_source_refresh_add_timeout (
+			source, NULL, (ESourceRefreshFunc)
+			mail_session_refresh_cb, session,
+			(GDestroyNotify) NULL);
 
-		if (transport_error) {
-			g_warning (
-				"%s: Failed to add transport service: %s",
-				G_STRFUNC, transport_error->message);
-			g_error_free (transport_error);
-		}
+		g_hash_table_insert (
+			session->priv->auto_refresh_table,
+			g_strdup (uid),
+			GUINT_TO_POINTER (timeout_id));
 	}
 }
 
 static void
-mail_session_account_added_cb (EAccountList *account_list,
-                               EAccount *account,
-                               EMailSession *session)
+mail_session_source_added_cb (ESourceRegistry *registry,
+                              ESource *source,
+                              EMailSession *session)
 {
-	mail_session_add_by_account (session, account);
+	CamelProviderType provider_type;
+	const gchar *extension_name;
+
+	provider_type = CAMEL_PROVIDER_STORE;
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+
+	if (e_source_has_extension (source, extension_name))
+		mail_session_add_from_source (session, provider_type, source);
+
+	provider_type = CAMEL_PROVIDER_TRANSPORT;
+	extension_name = E_SOURCE_EXTENSION_MAIL_TRANSPORT;
+
+	if (e_source_has_extension (source, extension_name))
+		mail_session_add_from_source (session, provider_type, source);
 }
 
 static void
-mail_session_account_changed_cb (EAccountList *account_list,
-                                 EAccount *account,
-                                 EMailSession *session)
+mail_session_source_changed_cb (ESourceRegistry *registry,
+                                ESource *source,
+                                EMailSession *session)
 {
 	EMFolderTreeModel *folder_tree_model;
 	CamelService *service;
+	const gchar *extension_name;
+	const gchar *uid;
 
-	service = camel_session_get_service (
-		CAMEL_SESSION (session), account->uid);
+	uid = e_source_get_uid (source);
 
-	if (!CAMEL_IS_STORE (service))
+	/* We're only interested in mail account data sources. */
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	if (!e_source_has_extension (source, extension_name))
 		return;
 
-	/* Update the display name of the corresponding CamelStore.
-	 * EMailAccountStore listens for "notify" signals from each
-	 * service so it will detect this and update the model.
-	 *
-	 * XXX If EAccount defined GObject properties we could just
-	 *     bind EAccount:name to CamelService:display-name and
-	 *     be done with it.  Oh well.
-	 */
-
-	camel_service_set_display_name (service, account->name);
+	/* There should be a CamelStore with the same UID. */
+	service = camel_session_get_service (CAMEL_SESSION (session), uid);
+	g_return_if_fail (CAMEL_IS_STORE (service));
 
 	/* Remove the store from the folder tree model and, if the
-	 * account is still enabled, re-add it.  Easier than trying
+	 * source is still enabled, re-add it.  Easier than trying
 	 * to update the model with the store in place.
 	 *
 	 * em_folder_tree_model_add_store() already knows which types
@@ -792,16 +851,35 @@ mail_session_account_changed_cb (EAccountList *account_list,
 	em_folder_tree_model_remove_store (
 		folder_tree_model, CAMEL_STORE (service));
 
-	if (account->enabled)
+	if (e_source_get_enabled (source))
 		em_folder_tree_model_add_store (
 			folder_tree_model, CAMEL_STORE (service));
 }
 
+static void
+mail_session_source_removed_cb (ESourceRegistry *registry,
+                                ESource *source,
+                                EMailSession *session)
+{
+	CamelSession *camel_session;
+	CamelService *service;
+	const gchar *uid;
+
+	camel_session = CAMEL_SESSION (session);
+
+	uid = e_source_get_uid (source);
+	service = camel_session_get_service (camel_session, uid);
+
+	if (CAMEL_IS_SERVICE (service))
+		camel_session_remove_service (camel_session, service);
+}
+
 static gboolean
-mail_session_add_service_cb (SourceContext *context)
+mail_session_add_service_idle_cb (SourceContext *context)
 {
 	EMailAccountStore *store;
 
+	/* The CamelService should be fully initialized by now. */
 	store = e_mail_session_get_account_store (context->session);
 	e_mail_account_store_add_service (store, context->service);
 
@@ -809,35 +887,23 @@ mail_session_add_service_cb (SourceContext *context)
 }
 
 static void
-mail_session_add_local_store (EMailSession *session)
+mail_session_configure_local_store (EMailSession *session)
 {
 	CamelLocalSettings *local_settings;
 	CamelSession *camel_session;
 	CamelSettings *settings;
 	CamelService *service;
 	const gchar *data_dir;
+	const gchar *uid;
 	gchar *path;
 	gint ii;
-	GError *error = NULL;
 
 	camel_session = CAMEL_SESSION (session);
 
-	service = camel_session_add_service (
-		camel_session, E_MAIL_SESSION_LOCAL_UID,
-		"maildir", CAMEL_PROVIDER_STORE, &error);
-
-	/* XXX One could argue this is a fatal error
-	 *     since we depend on it in so many places. */
-	if (error != NULL) {
-		g_critical ("%s: %s", G_STRFUNC, error->message);
-		g_error_free (error);
-		return;
-	}
-
+	uid = E_MAIL_SESSION_LOCAL_UID;
+	service = camel_session_get_service (camel_session, uid);
 	g_return_if_fail (CAMEL_IS_SERVICE (service));
 
-	camel_service_set_display_name (service, _("On This Computer"));
-
 	settings = camel_service_get_settings (service);
 	local_settings = CAMEL_LOCAL_SETTINGS (settings);
 	data_dir = camel_session_get_user_data_dir (camel_session);
@@ -885,27 +951,18 @@ mail_session_add_local_store (EMailSession *session)
 }
 
 static void
-mail_session_add_vfolder_store (EMailSession *session)
+mail_session_configure_vfolder_store (EMailSession *session)
 {
 	CamelSession *camel_session;
 	CamelService *service;
-	GError *error = NULL;
+	const gchar *uid;
 
 	camel_session = CAMEL_SESSION (session);
 
-	service = camel_session_add_service (
-		camel_session, E_MAIL_SESSION_VFOLDER_UID,
-		"vfolder", CAMEL_PROVIDER_STORE, &error);
-
-	if (error != NULL) {
-		g_critical ("%s: %s", G_STRFUNC, error->message);
-		g_error_free (error);
-		return;
-	}
-
+	uid = E_MAIL_SESSION_VFOLDER_UID;
+	service = camel_session_get_service (camel_session, uid);
 	g_return_if_fail (CAMEL_IS_SERVICE (service));
 
-	camel_service_set_display_name (service, _("Search Folders"));
 	em_utils_connect_service_sync (service, NULL, NULL);
 
 	/* XXX There's more configuration to do in vfolder_load_storage()
@@ -917,6 +974,105 @@ mail_session_add_vfolder_store (EMailSession *session)
 }
 
 static void
+mail_session_force_refresh (EMailSession *session)
+{
+	ESourceRegistry *registry;
+	GHashTableIter iter;
+	GSettings *settings;
+	gboolean unconditionally;
+	gpointer key;
+
+	/* Only refresh when the session is online. */
+	if (!camel_session_get_online (CAMEL_SESSION (session)))
+		return;
+
+	/* FIXME EMailSession should define properties for these. */
+	settings = g_settings_new ("org.gnome.evolution.mail");
+	unconditionally =
+		g_settings_get_boolean (settings, "send-recv-on-start") &&
+		g_settings_get_boolean (settings, "send-recv-all-on-start");
+	g_object_unref (settings);
+
+	registry = e_mail_session_get_registry (session);
+	g_hash_table_iter_init (&iter, session->priv->auto_refresh_table);
+
+	while (g_hash_table_iter_next (&iter, &key, NULL)) {
+		ESource *source;
+		ESourceRefresh *extension;
+		const gchar *extension_name;
+		gboolean refresh_enabled;
+
+		/* The hash table key is the ESource UID. */
+		source = e_source_registry_lookup_by_uid (registry, key);
+
+		if (source == NULL)
+			continue;
+
+		extension_name = E_SOURCE_EXTENSION_REFRESH;
+		extension = e_source_get_extension (source, extension_name);
+		refresh_enabled = e_source_refresh_get_enabled (extension);
+
+		if (refresh_enabled || unconditionally)
+			e_source_refresh_force_timeout (source);
+	}
+}
+
+static void
+mail_session_cancel_refresh (EMailSession *session)
+{
+	ESourceRegistry *registry;
+	GHashTableIter iter;
+	gpointer key, value;
+
+	registry = e_mail_session_get_registry (session);
+	g_hash_table_iter_init (&iter, session->priv->auto_refresh_table);
+
+	while (g_hash_table_iter_next (&iter, &key, &value)) {
+		ESource *source;
+		guint timeout_id;
+
+		/* The hash table key is the ESource UID. */
+		source = e_source_registry_lookup_by_uid (registry, key);
+
+		/* The hash table value is the refresh timeout ID. */
+		timeout_id = GPOINTER_TO_UINT (value);
+
+		if (source == NULL)
+			continue;
+
+		e_source_refresh_remove_timeout (source, timeout_id);
+	}
+
+	/* All timeouts cancelled so clear the auto-refresh table. */
+	g_hash_table_remove_all (session->priv->auto_refresh_table);
+}
+
+static gboolean
+mail_session_idle_refresh_cb (EMailSession *session)
+{
+	/* This only runs once at startup (if settings allow). */
+
+	if (camel_session_get_online (CAMEL_SESSION (session))) {
+		mail_session_force_refresh (session);
+
+		/* Also flush the Outbox. */
+		mail_send (session);
+	}
+
+	return FALSE;
+}
+
+static void
+mail_session_set_registry (EMailSession *session,
+                           ESourceRegistry *registry)
+{
+	g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
+	g_return_if_fail (session->priv->registry == NULL);
+
+	session->priv->registry = g_object_ref (registry);
+}
+
+static void
 mail_session_set_property (GObject *object,
                            guint property_id,
                            const GValue *value,
@@ -928,6 +1084,12 @@ mail_session_set_property (GObject *object,
 				E_MAIL_SESSION (object),
 				g_value_get_string (value));
 			return;
+
+		case PROP_REGISTRY:
+			mail_session_set_registry (
+				E_MAIL_SESSION (object),
+				g_value_get_object (value));
+			return;
 	}
 
 	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
@@ -975,6 +1137,13 @@ mail_session_get_property (GObject *object,
 				E_MAIL_SESSION (object)));
 			return;
 
+		case PROP_REGISTRY:
+			g_value_set_object (
+				value,
+				e_mail_session_get_registry (
+				E_MAIL_SESSION (object)));
+			return;
+
 		case PROP_VFOLDER_STORE:
 			g_value_set_object (
 				value,
@@ -1009,15 +1178,22 @@ mail_session_dispose (GObject *object)
 		priv->label_store = NULL;
 	}
 
-	if (priv->account_list != NULL) {
+	if (priv->registry != NULL) {
+		g_signal_handler_disconnect (
+			priv->registry,
+			priv->source_added_handler_id);
 		g_signal_handler_disconnect (
-			priv->account_list,
-			priv->account_added_handler_id);
+			priv->registry,
+			priv->source_changed_handler_id);
 		g_signal_handler_disconnect (
-			priv->account_list,
-			priv->account_changed_handler_id);
-		g_object_unref (priv->account_list);
-		priv->account_list = NULL;
+			priv->registry,
+			priv->source_removed_handler_id);
+
+		/* This requires the registry. */
+		mail_session_cancel_refresh (E_MAIL_SESSION (object));
+
+		g_object_unref (priv->registry);
+		priv->registry = NULL;
 	}
 
 	if (priv->local_store != NULL) {
@@ -1044,6 +1220,7 @@ mail_session_finalize (GObject *object)
 
 	priv = E_MAIL_SESSION_GET_PRIVATE (object);
 
+	g_hash_table_destroy (priv->auto_refresh_table);
 	g_hash_table_destroy (priv->junk_filters);
 	g_object_unref (priv->proxy);
 
@@ -1063,6 +1240,10 @@ mail_session_notify (GObject *object,
 {
 	/* GObject does not implement this method; do not chain up. */
 
+	/* CamelSession defines this property. */
+	if (g_strcmp0 (pspec->name, "online") == 0)
+		mail_session_force_refresh (E_MAIL_SESSION (object));
+
 	/* XXX Delete this once Evolution moves to GSettings and
 	 *     we're able to get rid of PROP_JUNK_FILTER_NAME. */
 	if (g_strcmp0 (pspec->name, "junk-filter") == 0)
@@ -1075,22 +1256,20 @@ mail_session_constructed (GObject *object)
 	EMFolderTreeModel *folder_tree_model;
 	EMailSession *session;
 	EExtensible *extensible;
+	ESourceRegistry *registry;
 	GType extension_type;
 	GList *list, *link;
 	GSettings *settings;
-	EAccountList *account_list;
-	EIterator *iter;
-	EAccount *account;
+	CamelProviderType provider_type;
+	const gchar *extension_name;
 	gulong handler_id;
 
 	session = E_MAIL_SESSION (object);
+	registry = e_mail_session_get_registry (session);
 
 	/* Chain up to parent's constructed() method. */
 	G_OBJECT_CLASS (e_mail_session_parent_class)->constructed (object);
 
-	account_list = e_get_account_list ();
-	session->priv->account_list = g_object_ref (account_list);
-
 	session->priv->account_store = e_mail_account_store_new (session);
 
 	/* This must be created after the account store. */
@@ -1108,49 +1287,57 @@ mail_session_constructed (GObject *object)
 	folder_tree_model = em_folder_tree_model_get_default ();
 	em_folder_tree_model_set_session (folder_tree_model, session);
 
-	/* Add built-in CamelStores. */
+	/* Add available mail accounts. */
 
-	mail_session_add_local_store (session);
-	mail_session_add_vfolder_store (session);
+	provider_type = CAMEL_PROVIDER_STORE;
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
 
-	/* Load user-defined mail accounts. */
+	list = e_source_registry_list_sources (registry, extension_name);
 
-	iter = e_list_get_iterator (E_LIST (account_list));
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
 
-	while (e_iterator_is_valid (iter)) {
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iter);
+		mail_session_add_from_source (session, provider_type, source);
+	}
 
-		mail_session_add_by_account (session, account);
+	g_list_free (list);
 
-		e_iterator_next (iter);
-	}
+	/* Add available mail transports. */
 
-	g_object_unref (iter);
+	provider_type = CAMEL_PROVIDER_TRANSPORT;
+	extension_name = E_SOURCE_EXTENSION_MAIL_TRANSPORT;
 
-	/* Initialize which account is default. */
+	list = e_source_registry_list_sources (registry, extension_name);
 
-	account = e_get_default_account ();
-	if (account != NULL) {
-		CamelService *service;
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
 
-		service = camel_session_get_service (
-			CAMEL_SESSION (session), account->uid);
-		e_mail_account_store_set_default_service (
-			session->priv->account_store, service);
+		mail_session_add_from_source (session, provider_type, source);
 	}
 
-	/* Listen for account list updates. */
+	g_list_free (list);
+
+	/* Built-in stores require extra configuration. */
+
+	mail_session_configure_local_store (session);
+	mail_session_configure_vfolder_store (session);
+
+	/* Listen for registry changes. */
+
+	handler_id = g_signal_connect (
+		registry, "source-added",
+		G_CALLBACK (mail_session_source_added_cb), session);
+	session->priv->source_added_handler_id = handler_id;
 
 	handler_id = g_signal_connect (
-		account_list, "account-added",
-		G_CALLBACK (mail_session_account_added_cb), session);
-	session->priv->account_added_handler_id = handler_id;
+		registry, "source-changed",
+		G_CALLBACK (mail_session_source_changed_cb), session);
+	session->priv->source_changed_handler_id = handler_id;
 
 	handler_id = g_signal_connect (
-		account_list, "account-changed",
-		G_CALLBACK (mail_session_account_changed_cb), session);
-	session->priv->account_changed_handler_id = handler_id;
+		registry, "source-removed",
+		G_CALLBACK (mail_session_source_removed_cb), session);
+	session->priv->source_removed_handler_id = handler_id;
 
 	extensible = E_EXTENSIBLE (object);
 	e_extensible_load_extensions (extensible);
@@ -1199,14 +1386,29 @@ mail_session_constructed (GObject *object)
 
 	g_list_free (list);
 
+	settings = g_settings_new ("org.gnome.evolution.mail");
+
 	/* Bind the "junk-default-plugin" GSettings
 	 * key to our "junk-filter-name" property. */
 
-	settings = g_settings_new ("org.gnome.evolution.mail");
 	g_settings_bind (
 		settings, "junk-default-plugin",
 		object, "junk-filter-name",
 		G_SETTINGS_BIND_DEFAULT);
+
+	/* Initialize the legacy message-passing framework
+	 * before starting the first mail store refresh. */
+	mail_msg_init ();
+
+	/* The application is not yet fully initialized at this point,
+	 * so run the first mail store refresh from an idle callback. */
+	if (g_settings_get_boolean (settings, "send-recv-on-start"))
+		g_idle_add_full (
+			G_PRIORITY_DEFAULT,
+			(GSourceFunc) mail_session_idle_refresh_cb,
+			g_object_ref (session),
+			(GDestroyNotify) g_object_unref);
+
 	g_object_unref (settings);
 }
 
@@ -1217,55 +1419,37 @@ mail_session_add_service (CamelSession *session,
                           CamelProviderType type,
                           GError **error)
 {
+	ESourceRegistry *registry;
 	CamelService *service;
 
+	registry = e_mail_session_get_registry (E_MAIL_SESSION (session));
+
 	/* Chain up to parents add_service() method. */
 	service = CAMEL_SESSION_CLASS (e_mail_session_parent_class)->
 		add_service (session, uid, protocol, type, error);
 
-	/* Initialize the CamelSettings object from CamelURL parameters.
-	 * This is temporary; soon we'll read settings from key files. */
+	/* Configure the CamelService from the corresponding ESource. */
 
 	if (CAMEL_IS_SERVICE (service)) {
-		EAccount *account;
-		CamelURL *url = NULL;
-
-		account = e_get_account_by_uid (uid);
-		if (account != NULL) {
-			const gchar *url_string = NULL;
-
-			switch (type) {
-				case CAMEL_PROVIDER_STORE:
-					url_string = account->source->url;
-					break;
-				case CAMEL_PROVIDER_TRANSPORT:
-					url_string = account->transport->url;
-					break;
-				default:
-					break;
-			}
+		ESource *source;
 
-			if (url_string != NULL) {
-				url = camel_url_new (url_string, error);
-				if (url == NULL) {
-					g_object_unref (service);
-					service = NULL;
-				}
-			}
-		}
+		/* Each CamelService has a corresponding ESource. */
+		source = e_source_registry_lookup_by_uid (registry, uid);
+		g_return_val_if_fail (E_IS_SOURCE (source), service);
 
-		if (url != NULL) {
-			CamelSettings *settings;
+		/* This handles all the messy property bindings. */
+		e_source_camel_configure_service (source, service);
 
-			settings = camel_service_get_settings (service);
-			camel_settings_load_from_url (settings, url);
-			camel_url_free (url);
+		g_object_bind_property (
+			source, "display-name",
+			service, "display-name",
+			G_BINDING_BIDIRECTIONAL |
+			G_BINDING_SYNC_CREATE);
 
-			/* Migrate files for this service from its old
-			 * URL-based directory to a UID-based directory
-			 * if necessary. */
-			camel_service_migrate_files (service);
-		}
+		/* Migrate files for this service from its old
+		 * URL-based directory to a UID-based directory
+		 * if necessary. */
+		camel_service_migrate_files (service);
 	}
 
 	/* Inform the EMailAccountStore of the new CamelService
@@ -1280,13 +1464,24 @@ mail_session_add_service (CamelSession *session,
 
 		g_idle_add_full (
 			G_PRIORITY_DEFAULT_IDLE,
-			(GSourceFunc) mail_session_add_service_cb,
+			(GSourceFunc) mail_session_add_service_idle_cb,
 			context, (GDestroyNotify) source_context_free);
 	}
 
 	return service;
 }
 
+static void
+mail_session_remove_service (CamelSession *session,
+                             CamelService *service)
+{
+	EMailAccountStore *store;
+
+	/* Passing a NULL parent window skips confirmation prompts. */
+	store = e_mail_session_get_account_store (E_MAIL_SESSION (session));
+	e_mail_account_store_remove_service (store, NULL, service);
+}
+
 static gchar *
 mail_session_get_password (CamelSession *session,
                            CamelService *service,
@@ -1295,114 +1490,69 @@ mail_session_get_password (CamelSession *session,
                            guint32 flags,
                            GError **error)
 {
-	EAccount *account = NULL;
-	const gchar *display_name = NULL;
-	const gchar *uid = NULL;
-	gchar *ret = NULL;
-
-	if (CAMEL_IS_SERVICE (service)) {
-		display_name = camel_service_get_display_name (service);
-		uid = camel_service_get_uid (service);
-		account = e_get_account_by_uid (uid);
-	}
-
-	if (!strcmp(item, "popb4smtp_uid")) {
-		/* not 100% mt safe, but should be ok */
-		ret = g_strdup ((account != NULL) ? account->uid : uid);
-	} else {
-		gchar *key = mail_session_make_key (service, item);
-		EAccountService *config_service = NULL;
-
-		ret = e_passwords_get_password (NULL, key);
-		if (ret == NULL || (flags & CAMEL_SESSION_PASSWORD_REPROMPT)) {
-			gboolean remember;
+	ESourceRegistry *registry;
+	gchar *password = NULL;
 
-			g_free (ret);
-			ret = NULL;
-
-			if (account != NULL) {
-				if (CAMEL_IS_STORE (service))
-					config_service = account->source;
-				if (CAMEL_IS_TRANSPORT (service))
-					config_service = account->transport;
-			}
+	/* XXX This method is now only for fringe cases.  For normal
+	 *     CamelService authentication, use authenticate_sync().
+	 *
+	 *     The two known fringe cases that still need this are:
+	 *
+	 *     1) CamelSaslPOPB4SMTP, where the CamelService is an SMTP
+	 *        transport and the item name is always "popb4smtp_uid".
+	 *        (This is a dirty hack, Camel just needs some way to
+	 *        pair up a CamelService and CamelTransport.  Not sure
+	 *        what that should look like just yet...)
+	 *
+	 *     2) CamelGpgContext, where the CamelService is NULL and
+	 *        the item name is a user ID (I think).  (Seahorse, or
+	 *        one of its dependent libraries, ought to handle this
+	 *        transparently once Camel fully transitions to GIO.)
+	 */
 
-			remember = config_service ? config_service->save_passwd : FALSE;
-
-			if (!config_service || (config_service &&
-				!config_service->get_password_canceled)) {
-				guint32 eflags;
-				gchar *title;
-
-				if (flags & CAMEL_SESSION_PASSPHRASE) {
-					if (display_name != NULL)
-						title = g_strdup_printf (
-							_("Enter Passphrase for %s"),
-							display_name);
-					else
-						title = g_strdup (
-							_("Enter Passphrase"));
-				} else {
-					if (display_name != NULL)
-						title = g_strdup_printf (
-							_("Enter Password for %s"),
-							display_name);
-					else
-						title = g_strdup (
-							_("Enter Password"));
-				}
-				if ((flags & CAMEL_SESSION_PASSWORD_STATIC) != 0)
-					eflags = E_PASSWORDS_REMEMBER_NEVER;
-				else if (config_service == NULL)
-					eflags = E_PASSWORDS_REMEMBER_SESSION;
-				else
-					eflags = E_PASSWORDS_REMEMBER_FOREVER;
+	registry = e_mail_session_get_registry (E_MAIL_SESSION (session));
 
-				if (flags & CAMEL_SESSION_PASSWORD_REPROMPT)
-					eflags |= E_PASSWORDS_REPROMPT;
+	/* Handle the CamelSaslPOPB4SMTP case. */
+	if (g_strcmp0 (item, "popb4smtp_uid") == 0)
+		return mail_session_resolve_popb4smtp (registry, service);
 
-				if (flags & CAMEL_SESSION_PASSWORD_SECRET)
-					eflags |= E_PASSWORDS_SECRET;
+	/* Otherwise this had better be the CamelGpgContext case. */
+	g_return_val_if_fail (service == NULL, NULL);
 
-				if (flags & CAMEL_SESSION_PASSPHRASE)
-					eflags |= E_PASSWORDS_PASSPHRASE;
+	password = e_passwords_get_password (NULL, item);
 
-				/* HACK: breaks abstraction ...
-				 * e_account_writable() doesn't use the
-				 * EAccount, it also uses the same writable
-				 * key for source and transport. */
-				if (!e_account_writable (NULL, E_ACCOUNT_SOURCE_SAVE_PASSWD))
-					eflags |= E_PASSWORDS_DISABLE_REMEMBER;
+	if (password == NULL || (flags & CAMEL_SESSION_PASSWORD_REPROMPT)) {
+		gboolean remember;
+		guint eflags = 0;
 
-				ret = e_passwords_ask_password (
-					title, NULL, key, prompt,
-					eflags, &remember, NULL);
+		if (flags & CAMEL_SESSION_PASSWORD_STATIC)
+			eflags |= E_PASSWORDS_REMEMBER_NEVER;
+		else
+			eflags |= E_PASSWORDS_REMEMBER_SESSION;
 
-				if (!ret)
-					e_passwords_forget_password (NULL, key);
+		if (flags & CAMEL_SESSION_PASSWORD_REPROMPT)
+			eflags |= E_PASSWORDS_REPROMPT;
 
-				g_free (title);
+		if (flags & CAMEL_SESSION_PASSWORD_SECRET)
+			eflags |= E_PASSWORDS_SECRET;
 
-				if (ret && config_service) {
-					config_service->save_passwd = remember;
-					e_account_list_save (e_get_account_list ());
-				}
+		if (flags & CAMEL_SESSION_PASSPHRASE)
+			eflags |= E_PASSWORDS_PASSPHRASE;
 
-				if (config_service)
-					config_service->get_password_canceled = ret == NULL;
-			}
-		}
+		password = e_passwords_ask_password (
+			"", NULL, item, prompt, eflags, &remember, NULL);
 
-		g_free (key);
+		if (password == NULL)
+			e_passwords_forget_password (NULL, item);
 	}
 
-	if (ret == NULL)
+	if (password == NULL)
 		g_set_error (
 			error, G_IO_ERROR,
 			G_IO_ERROR_CANCELLED,
-			_("User canceled operation."));
+			_("User cancelled operation"));
 
-	return ret;
+	return password;
 }
 
 static gboolean
@@ -1411,13 +1561,13 @@ mail_session_forget_password (CamelSession *session,
                               const gchar *item,
                               GError **error)
 {
-	gchar *key;
+	/* XXX The only remaining user of this method is CamelGpgContext,
+	 *     which does not provide a CamelService.  Use 'item' as the
+	 *     password key. */
 
-	key = mail_session_make_key (service, item);
+	g_return_val_if_fail (service == NULL, FALSE);
 
-	e_passwords_forget_password (NULL, key);
-
-	g_free (key);
+	e_passwords_forget_password (NULL, item);
 
 	return TRUE;
 }
@@ -1499,13 +1649,16 @@ mail_session_forward_to (CamelSession *session,
                          const gchar *address,
                          GError **error)
 {
-	EAccount *account;
+	ESource *source;
+	ESourceRegistry *registry;
+	ESourceMailIdentity *extension;
 	CamelMimeMessage *forward;
 	CamelStream *mem;
 	CamelInternetAddress *addr;
 	CamelFolder *out_folder;
 	CamelMessageInfo *info;
 	CamelMedium *medium;
+	const gchar *extension_name;
 	const gchar *from_address;
 	const gchar *from_name;
 	const gchar *header_name;
@@ -1519,22 +1672,27 @@ mail_session_forward_to (CamelSession *session,
 	if (!*address) {
 		g_set_error (
 			error, CAMEL_ERROR, CAMEL_ERROR_GENERIC,
-			_("No destination address provided, forward "
+			_("No destination address provided, forwarding "
 			  "of the message has been cancelled."));
 		return FALSE;
 	}
 
-	account = em_utils_guess_account_with_recipients (message, folder);
-	if (!account) {
+	registry = e_mail_session_get_registry (E_MAIL_SESSION (session));
+
+	source = em_utils_guess_mail_identity_with_recipients (
+		registry, message, folder);
+	if (source == NULL) {
 		g_set_error (
 			error, CAMEL_ERROR, CAMEL_ERROR_GENERIC,
-			_("No account found to use, forward of the "
-			  "message has been cancelled."));
+			_("No identity found to use, forwarding "
+			  "of the message has been cancelled."));
 		return FALSE;
 	}
 
-	from_address = account->id->address;
-	from_name = account->id->name;
+	extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;
+	extension = e_source_get_extension (source, extension_name);
+	from_address = e_source_mail_identity_get_address (extension);
+	from_name = e_source_mail_identity_get_name (extension);
 
 	forward = camel_mime_message_new ();
 
@@ -1654,19 +1812,23 @@ mail_session_authenticate_sync (CamelSession *session,
                                 GCancellable *cancellable,
                                 GError **error)
 {
+	ESource *source;
+	ESourceRegistry *registry;
+	ESourceAuthenticator *auth;
 	CamelServiceAuthType *authtype = NULL;
 	CamelAuthenticationResult result;
-	CamelProvider *provider;
-	CamelSettings *settings;
-	const gchar *password;
-	guint32 password_flags;
+	const gchar *uid;
+	gboolean authenticated;
 	GError *local_error = NULL;
 
 	/* Do not chain up.  Camel's default method is only an example for
 	 * subclasses to follow.  Instead we mimic most of its logic here. */
 
-	provider = camel_service_get_provider (service);
-	settings = camel_service_get_settings (service);
+	registry = e_mail_session_get_registry (E_MAIL_SESSION (session));
+
+	/* Treat a mechanism name of "none" as NULL. */
+	if (g_strcmp0 (mechanism, "none") == 0)
+		mechanism = NULL;
 
 	/* APOP is one case where a non-SASL mechanism name is passed, so
 	 * don't bail if the CamelServiceAuthType struct comes back NULL. */
@@ -1719,58 +1881,26 @@ mail_session_authenticate_sync (CamelSession *session,
 
 	g_clear_error (&local_error);
 
-	password_flags = CAMEL_SESSION_PASSWORD_SECRET;
-
-retry:
-	password = camel_service_get_password (service);
-
-	if (password == NULL) {
-		CamelNetworkSettings *network_settings;
-		const gchar *host;
-		const gchar *user;
-		gchar *prompt;
-		gchar *new_passwd;
-
-		network_settings = CAMEL_NETWORK_SETTINGS (settings);
-		host = camel_network_settings_get_host (network_settings);
-		user = camel_network_settings_get_user (network_settings);
+	/* Find a matching ESource for this CamelService. */
+	uid = camel_service_get_uid (service);
+	source = e_source_registry_lookup_by_uid (registry, uid);
 
-		prompt = camel_session_build_password_prompt (
-			provider->name, user, host);
-
-		new_passwd = camel_session_get_password (
-			session, service, prompt, "password",
-			password_flags, &local_error);
-		camel_service_set_password (service, new_passwd);
-		password = camel_service_get_password (service);
-		g_free (new_passwd);
-
-		g_free (prompt);
-
-		if (local_error != NULL) {
-			g_propagate_error (error, local_error);
-			return FALSE;
-		}
-
-		if (password == NULL) {
-			g_set_error (
-				error, CAMEL_SERVICE_ERROR,
-				CAMEL_SERVICE_ERROR_CANT_AUTHENTICATE,
-				_("No password was provided"));
-			return FALSE;
-		}
+	if (source == NULL) {
+		g_set_error (
+			error, CAMEL_SERVICE_ERROR,
+			CAMEL_SERVICE_ERROR_CANT_AUTHENTICATE,
+			_("No data source found for UID '%s'"), uid);
+		return FALSE;
 	}
 
-	result = camel_service_authenticate_sync (
-		service, mechanism, cancellable, error);
+	auth = e_mail_authenticator_new (service, mechanism);
 
-	if (result == CAMEL_AUTHENTICATION_REJECTED) {
-		password_flags |= CAMEL_SESSION_PASSWORD_REPROMPT;
-		camel_service_set_password (service, NULL);
-		goto retry;
-	}
+	authenticated = e_source_authenticate_sync (
+		source, auth, cancellable, error);
 
-	return (result == CAMEL_AUTHENTICATION_ACCEPTED);
+	g_object_unref (auth);
+
+	return authenticated;
 }
 
 static void
@@ -1791,6 +1921,7 @@ e_mail_session_class_init (EMailSessionClass *class)
 
 	session_class = CAMEL_SESSION_CLASS (class);
 	session_class->add_service = mail_session_add_service;
+	session_class->remove_service = mail_session_remove_service;
 	session_class->get_password = mail_session_get_password;
 	session_class->forget_password = mail_session_forget_password;
 	session_class->alert_user = mail_session_alert_user;
@@ -1849,6 +1980,18 @@ e_mail_session_class_init (EMailSessionClass *class)
 
 	g_object_class_install_property (
 		object_class,
+		PROP_REGISTRY,
+		g_param_spec_object (
+			"registry",
+			"Registry",
+			"Data source registry",
+			E_TYPE_SOURCE_REGISTRY,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
+
+	g_object_class_install_property (
+		object_class,
 		PROP_VFOLDER_STORE,
 		g_param_spec_object (
 			"vfolder-store",
@@ -1873,14 +2016,22 @@ static void
 e_mail_session_init (EMailSession *session)
 {
 	GSettings *settings;
+	GHashTable *auto_refresh_table;
 	GHashTable *junk_filters;
 
+	auto_refresh_table = g_hash_table_new_full (
+		(GHashFunc) g_str_hash,
+		(GEqualFunc) g_str_equal,
+		(GDestroyNotify) g_free,
+		(GDestroyNotify) NULL);
+
 	junk_filters = g_hash_table_new (
 		(GHashFunc) g_str_hash,
 		(GEqualFunc) g_str_equal);
 
 	session->priv = E_MAIL_SESSION_GET_PRIVATE (session);
 	session->priv->label_store = e_mail_label_list_store_new ();
+	session->priv->auto_refresh_table = auto_refresh_table;
 	session->priv->junk_filters = junk_filters;
 	session->priv->proxy = e_proxy_new ();
 
@@ -1891,9 +2042,6 @@ e_mail_session_init (EMailSession *session)
 		g_ptr_array_new_with_free_func (
 		(GDestroyNotify) g_free);
 
-	/* Initialize the EAccount setup. */
-	e_account_writable (NULL, E_ACCOUNT_SOURCE_SAVE_PASSWD);
-
 	settings = g_settings_new ("org.gnome.evolution.mail");
 
 	camel_session_set_check_junk (
@@ -1911,11 +2059,13 @@ e_mail_session_init (EMailSession *session)
 }
 
 EMailSession *
-e_mail_session_new (void)
+e_mail_session_new (ESourceRegistry *registry)
 {
 	const gchar *user_data_dir;
 	const gchar *user_cache_dir;
 
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
+
 	user_data_dir = mail_session_get_data_dir ();
 	user_cache_dir = mail_session_get_cache_dir ();
 
@@ -1923,6 +2073,7 @@ e_mail_session_new (void)
 		E_TYPE_MAIL_SESSION,
 		"user-data-dir", user_data_dir,
 		"user-cache-dir", user_cache_dir,
+		"registry", registry,
 		NULL);
 }
 
@@ -1936,6 +2087,14 @@ e_mail_session_add_activity (EMailSession *session,
 	g_signal_emit (session, signals[ACTIVITY_ADDED], 0, activity);
 }
 
+ESourceRegistry *
+e_mail_session_get_registry (EMailSession *session)
+{
+	g_return_val_if_fail (E_IS_MAIL_SESSION (session), NULL);
+
+	return session->priv->registry;
+}
+
 EMailAccountStore *
 e_mail_session_get_account_store (EMailSession *session)
 {
@@ -2349,6 +2508,66 @@ e_mail_session_uri_to_folder_finish (EMailSession *session,
 	return g_object_ref (context->folder);
 }
 
+gboolean
+e_binding_transform_service_to_source (GBinding *binding,
+                                       const GValue *source_value,
+                                       GValue *target_value,
+                                       gpointer session)
+{
+	CamelService *service;
+	ESourceRegistry *registry;
+	ESource *source;
+	const gchar *uid;
+
+	g_return_val_if_fail (G_IS_BINDING (binding), FALSE);
+	g_return_val_if_fail (E_IS_MAIL_SESSION (session), FALSE);
+
+	service = g_value_get_object (source_value);
+
+	if (!CAMEL_IS_SERVICE (service))
+		return FALSE;
+
+	uid = camel_service_get_uid (service);
+	registry = e_mail_session_get_registry (session);
+	source = e_source_registry_lookup_by_uid (registry, uid);
+
+	if (!E_IS_SOURCE (source))
+		return FALSE;
+
+	g_value_set_object (target_value, source);
+
+	return TRUE;
+}
+
+gboolean
+e_binding_transform_source_to_service (GBinding *binding,
+                                       const GValue *source_value,
+                                       GValue *target_value,
+                                       gpointer session)
+{
+	CamelService *service;
+	ESource *source;
+	const gchar *uid;
+
+	g_return_val_if_fail (G_IS_BINDING (binding), FALSE);
+	g_return_val_if_fail (E_IS_MAIL_SESSION (session), FALSE);
+
+	source = g_value_get_object (source_value);
+
+	if (!E_IS_SOURCE (source))
+		return FALSE;
+
+	uid = e_source_get_uid (source);
+	service = camel_session_get_service (session, uid);
+
+	if (!CAMEL_IS_SERVICE (service))
+		return FALSE;
+
+	g_value_set_object (target_value, service);
+
+	return TRUE;
+}
+
 /******************************** Legacy API *********************************/
 
 void
diff --git a/mail/e-mail-session.h b/mail/e-mail-session.h
index 7f5f22d..54368b9 100644
--- a/mail/e-mail-session.h
+++ b/mail/e-mail-session.h
@@ -31,6 +31,7 @@
 #include <mail/e-mail-account-store.h>
 #include <mail/e-mail-label-list-store.h>
 #include <mail/mail-folder-cache.h>
+#include <libedataserver/e-source-registry.h>
 
 /* Standard GObject macros */
 #define E_TYPE_MAIL_SESSION \
@@ -74,9 +75,11 @@ struct _EMailSessionClass {
 };
 
 GType		e_mail_session_get_type		(void);
-EMailSession *	e_mail_session_new		(void);
+EMailSession *	e_mail_session_new		(ESourceRegistry *registry);
 void		e_mail_session_add_activity	(EMailSession *session,
 						 EActivity *activity);
+ESourceRegistry *
+		e_mail_session_get_registry	(EMailSession *session);
 EMailAccountStore *
 		e_mail_session_get_account_store
 						(EMailSession *session);
@@ -138,6 +141,18 @@ CamelFolder *	e_mail_session_uri_to_folder_finish
 						 GAsyncResult *result,
 						 GError **error);
 
+/* Useful GBinding transform functions */
+gboolean	e_binding_transform_service_to_source
+						(GBinding *binding,
+						 const GValue *source_value,
+						 GValue *target_value,
+						 gpointer session);
+gboolean	e_binding_transform_source_to_service
+						(GBinding *binding,
+						 const GValue *source_value,
+						 GValue *target_value,
+						 gpointer session);
+
 /*** Legacy API ***/
 
 void		mail_session_flush_filter_log	(EMailSession *session);
diff --git a/mail/e-mail.h b/mail/e-mail.h
index 02c169c..59c34d6 100644
--- a/mail/e-mail.h
+++ b/mail/e-mail.h
@@ -20,6 +20,7 @@
 #define E_MAIL_H
 
 #include <mail/e-mail-attachment-bar.h>
+#include <mail/e-mail-authenticator.h>
 #include <mail/e-mail-backend.h>
 #include <mail/e-mail-browser.h>
 #include <mail/e-mail-display.h>
diff --git a/mail/em-account-editor.c b/mail/em-account-editor.c
index 7164dbe..e2f7d10 100644
--- a/mail/em-account-editor.c
+++ b/mail/em-account-editor.c
@@ -43,18 +43,13 @@
 #include <string.h>
 #include <stdarg.h>
 
-#include <libedataserverui/e-passwords.h>
-
 #include "shell/e-shell.h"
 #include "e-util/e-util.h"
 #include "e-util/e-alert-dialog.h"
-#include "e-util/e-account-utils.h"
 #include "e-util/e-dialog-utils.h"
-#include "e-util/e-signature-list.h"
-#include "e-util/e-signature-utils.h"
 #include "e-util/e-util-private.h"
 #include "widgets/misc/e-auth-combo-box.h"
-#include "widgets/misc/e-signature-editor.h"
+#include "widgets/misc/e-mail-signature-editor.h"
 #include "widgets/misc/e-port-entry.h"
 
 #include "e-mail-backend.h"
@@ -143,8 +138,11 @@ typedef struct _EMAccountEditorService {
 struct _EMAccountEditorPrivate {
 
 	EMailBackend *backend;
+	EMailSession *session;
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *modified_account;
 	EAccount *original_account;
+#endif /* ACCOUNT_MGMT */
 	gboolean new_account;
 
 	struct _EMConfig *config;
@@ -240,9 +238,9 @@ struct _EMAccountEditorPrivate {
 
 enum {
 	PROP_0,
-	PROP_BACKEND,
 	PROP_MODIFIED_ACCOUNT,
 	PROP_ORIGINAL_ACCOUNT,
+	PROP_SESSION,
 	PROP_STORE_PROVIDER,
 	PROP_STORE_REQUIRES_AUTH,
 	PROP_STORE_SETTINGS,
@@ -274,6 +272,7 @@ emae_config_target_changed_cb (EMAccountEditor *emae)
 		E_CONFIG_TARGET_CHANGED_STATE);
 }
 
+#if 0  /* ACCOUNT_MGMT */
 static void
 emae_set_original_account (EMAccountEditor *emae,
                            EAccount *original_account)
@@ -304,15 +303,16 @@ emae_set_original_account (EMAccountEditor *emae,
 	emae->priv->original_account = original_account;
 	emae->priv->modified_account = modified_account;
 }
+#endif /* ACCOUNT_MGMT */
 
 static void
-emae_set_backend (EMAccountEditor *emae,
-                  EMailBackend *backend)
+emae_set_session (EMAccountEditor *emae,
+                  EMailSession *session)
 {
-	g_return_if_fail (E_IS_MAIL_BACKEND (backend));
-	g_return_if_fail (emae->priv->backend == NULL);
+	g_return_if_fail (E_IS_MAIL_SESSION (session));
+	g_return_if_fail (emae->priv->session == NULL);
 
-	emae->priv->backend = g_object_ref (backend);
+	emae->priv->session = g_object_ref (session);
 }
 
 static CamelProvider *
@@ -580,12 +580,7 @@ emae_set_property (GObject *object,
                    GParamSpec *pspec)
 {
 	switch (property_id) {
-		case PROP_BACKEND:
-			emae_set_backend (
-				EM_ACCOUNT_EDITOR (object),
-				g_value_get_object (value));
-			return;
-
+#if 0  /* ACCOUNT_MGMT */
 		case PROP_ORIGINAL_ACCOUNT:
 			emae_set_original_account (
 				EM_ACCOUNT_EDITOR (object),
@@ -597,6 +592,13 @@ emae_set_property (GObject *object,
 				EM_ACCOUNT_EDITOR (object),
 				g_value_get_boolean (value));
 			return;
+#endif /* ACCOUNT_MGMT */
+
+		case PROP_SESSION:
+			emae_set_session (
+				EM_ACCOUNT_EDITOR (object),
+				g_value_get_object (value));
+			return;
 
 		case PROP_STORE_SETTINGS:
 			emae_set_store_settings (
@@ -687,24 +689,26 @@ emae_get_property (GObject *object,
                    GParamSpec *pspec)
 {
 	switch (property_id) {
-		case PROP_BACKEND:
+#if 0  /* ACCOUNT_MGMT */
+		case PROP_MODIFIED_ACCOUNT:
 			g_value_set_object (
 				value,
-				em_account_editor_get_backend (
+				em_account_editor_get_modified_account (
 				EM_ACCOUNT_EDITOR (object)));
 			return;
 
-		case PROP_MODIFIED_ACCOUNT:
+		case PROP_ORIGINAL_ACCOUNT:
 			g_value_set_object (
 				value,
-				em_account_editor_get_modified_account (
+				em_account_editor_get_original_account (
 				EM_ACCOUNT_EDITOR (object)));
 			return;
+#endif /* ACCOUNT_MGMT */
 
-		case PROP_ORIGINAL_ACCOUNT:
+		case PROP_SESSION:
 			g_value_set_object (
 				value,
-				em_account_editor_get_original_account (
+				em_account_editor_get_session (
 				EM_ACCOUNT_EDITOR (object)));
 			return;
 
@@ -831,11 +835,12 @@ emae_dispose (GObject *object)
 
 	priv = EM_ACCOUNT_EDITOR_GET_PRIVATE (object);
 
-	if (priv->backend != NULL) {
-		g_object_unref (priv->backend);
-		priv->backend = NULL;
+	if (priv->session != NULL) {
+		g_object_unref (priv->session);
+		priv->session = NULL;
 	}
 
+#if 0  /* ACCOUNT_MGMT */
 	if (priv->modified_account != NULL) {
 		g_signal_handlers_disconnect_by_func (
 			priv->modified_account,
@@ -848,6 +853,7 @@ emae_dispose (GObject *object)
 		g_object_unref (priv->original_account);
 		priv->original_account = NULL;
 	}
+#endif /* ACCOUNT_MGMT */
 
 	if (priv->source.settings != NULL) {
 		g_signal_handlers_disconnect_by_func (
@@ -875,6 +881,7 @@ emae_finalize (GObject *object)
 	EMAccountEditor *emae = EM_ACCOUNT_EDITOR (object);
 	EMAccountEditorPrivate *priv = emae->priv;
 
+#if 0 /* ACCOUNT_MGMT */
 	if (priv->sig_added_id) {
 		ESignatureList *signatures;
 
@@ -883,6 +890,7 @@ emae_finalize (GObject *object)
 		g_signal_handler_disconnect (signatures, priv->sig_removed_id);
 		g_signal_handler_disconnect (signatures, priv->sig_changed_id);
 	}
+#endif /* ACCOUNT_MGMT */
 
 	g_list_free (priv->providers);
 
@@ -900,13 +908,12 @@ emae_constructed (GObject *object)
 	/* Chain up to parent's constructed() method. */
 	G_OBJECT_CLASS (em_account_editor_parent_class)->constructed (object);
 
+#if 0  /* ACCOUNT_MGMT */
 	/* Set some defaults on the new account before we get started. */
 	if (emae->priv->new_account) {
-		EMailBackend *backend;
 		EMailSession *session;
 
-		backend = em_account_editor_get_backend (emae);
-		session = e_mail_backend_get_session (backend);
+		session = em_account_editor_get_session (emae);
 
 		/* Pick local Drafts folder. */
 		e_account_set_string (
@@ -934,6 +941,7 @@ emae_constructed (GObject *object)
 	g_signal_connect_swapped (
 		emae->priv->modified_account, "changed",
 		G_CALLBACK (emae_config_target_changed_cb), emae);
+#endif /* ACCOUNT_MGMT */
 }
 
 static void
@@ -950,18 +958,7 @@ em_account_editor_class_init (EMAccountEditorClass *class)
 	object_class->finalize = emae_finalize;
 	object_class->constructed = emae_constructed;
 
-	g_object_class_install_property (
-		object_class,
-		PROP_BACKEND,
-		g_param_spec_object (
-			"backend",
-			"Mail Backend",
-			NULL,
-			E_TYPE_MAIL_BACKEND,
-			G_PARAM_READWRITE |
-			G_PARAM_CONSTRUCT_ONLY |
-			G_PARAM_STATIC_STRINGS));
-
+#if 0  /* ACCOUNT_MGMT */
 	g_object_class_install_property (
 		object_class,
 		PROP_MODIFIED_ACCOUNT,
@@ -984,6 +981,19 @@ em_account_editor_class_init (EMAccountEditorClass *class)
 			G_PARAM_READWRITE |
 			G_PARAM_CONSTRUCT_ONLY |
 			G_PARAM_STATIC_STRINGS));
+#endif /* ACCOUNT_MGMT */
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SESSION,
+		g_param_spec_object (
+			"session",
+			"Session",
+			"Mail session",
+			E_TYPE_MAIL_SESSION,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
 
 	g_object_class_install_property (
 		object_class,
@@ -1192,17 +1202,17 @@ em_account_editor_init (EMAccountEditor *emae)
 
 /**
  * em_account_editor_new:
- * @account:
+ * @source:
  * @type:
  *
- * Create a new account editor.  If @account is NULL then this is to
- * create a new account, else @account is copied to a working
+ * Create a new account editor.  If @source is NULL then this is to
+ * create a new account, else @source is copied to a working
  * structure and is for editing an existing account.
  *
  * Return value:
  **/
 EMAccountEditor *
-em_account_editor_new (EAccount *account,
+em_account_editor_new (ESource *source,
                        EMAccountEditorType type,
                        EMailBackend *backend,
                        const gchar *id)
@@ -1213,7 +1223,7 @@ em_account_editor_new (EAccount *account,
 
 	emae = g_object_new (
 		EM_TYPE_ACCOUNT_EDITOR,
-		"original-account", account,
+		"original-source", source,
 		"backend", backend, NULL);
 
 	em_account_editor_construct (emae, type, id);
@@ -1223,17 +1233,17 @@ em_account_editor_new (EAccount *account,
 
 /**
  * em_account_editor_new_for_pages:
- * @account:
+ * @source:
  * @type:
  *
- * Create a new account editor.  If @account is NULL then this is to
- * create a new account, else @account is copied to a working
+ * Create a new account editor.  If @source is NULL then this is to
+ * create a new account, else @source is copied to a working
  * structure and is for editing an existing account.
  *
  * Return value:
  **/
 EMAccountEditor *
-em_account_editor_new_for_pages (EAccount *account,
+em_account_editor_new_for_pages (ESource *source,
                                  EMAccountEditorType type,
                                  EMailBackend *backend,
                                  const gchar *id,
@@ -1245,7 +1255,7 @@ em_account_editor_new_for_pages (EAccount *account,
 
 	emae = g_object_new (
 		EM_TYPE_ACCOUNT_EDITOR,
-		"original-account", account,
+		"original-source", source,
 		"backend", backend, NULL);
 
 	emae->pages = pages;
@@ -1254,28 +1264,32 @@ em_account_editor_new_for_pages (EAccount *account,
 	return emae;
 }
 
-EMailBackend *
-em_account_editor_get_backend (EMAccountEditor *emae)
+EMailSession *
+em_account_editor_get_session (EMAccountEditor *emae)
 {
 	g_return_val_if_fail (EM_IS_ACCOUNT_EDITOR (emae), NULL);
 
-	return emae->priv->backend;
+	return emae->priv->session;
 }
 
-EAccount *
+ESource *
 em_account_editor_get_modified_account (EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	g_return_val_if_fail (EM_IS_ACCOUNT_EDITOR (emae), NULL);
 
 	return emae->priv->modified_account;
+#endif /* ACCOUNT_MGMT */
 }
 
-EAccount *
+ESource *
 em_account_editor_get_original_account (EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	g_return_val_if_fail (EM_IS_ACCOUNT_EDITOR (emae), NULL);
 
 	return emae->priv->original_account;
+#endif /* ACCOUNT_MGMT */
 }
 
 /* ********************************************************************** */
@@ -1299,6 +1313,7 @@ static CamelURL *
 emae_account_url (EMAccountEditor *emae,
                   gint urlid)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	CamelURL *url = NULL;
 	const gchar *uri;
@@ -1315,6 +1330,9 @@ emae_account_url (EMAccountEditor *emae,
 	}
 
 	return url;
+#endif /* ACCOUNT_MGMT */
+
+	return NULL;
 }
 
 /* ********************************************************************** */
@@ -1323,6 +1341,7 @@ static void
 default_folders_clicked (GtkButton *button,
                          gpointer user_data)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EMAccountEditor *emae = user_data;
 	EMFolderSelectionButton *folder_button;
 	EMailBackend *backend;
@@ -1350,6 +1369,7 @@ default_folders_clicked (GtkButton *button,
 
 	gtk_toggle_button_set_active (emae->priv->trash_folder_check, FALSE);
 	gtk_toggle_button_set_active (emae->priv->junk_folder_check, FALSE);
+#endif /* ACCOUNT_MGMT */
 }
 
 /* The camel provider auto-detect interface should be deprecated.
@@ -1367,6 +1387,7 @@ emae_auto_detect_free (gpointer key,
 static void
 emae_auto_detect (EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EMAccountEditorPrivate *priv = emae->priv;
 	EMAccountEditorService *service = &priv->source;
 	CamelProvider *provider;
@@ -1418,6 +1439,7 @@ emae_auto_detect (EMAccountEditor *emae)
 
 	g_hash_table_foreach (auto_detected, emae_auto_detect_free, NULL);
 	g_hash_table_destroy (auto_detected);
+#endif /* ACCOUNT_MGMT */
 }
 
 static gint
@@ -1436,6 +1458,7 @@ provider_compare (const CamelProvider *p1,
 	}
 }
 
+#if 0  /* ACCOUNT_MGMT */
 static void
 emae_signature_added (ESignatureList *signatures,
                       ESignature *sig,
@@ -1623,11 +1646,13 @@ emae_setup_signatures (EMAccountEditor *emae,
 
 	return (GtkWidget *) dropdown;
 }
+#endif /* ACCOUNT_MGMT */
 
 static void
 emae_receipt_policy_changed (GtkComboBox *dropdown,
                              EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	gint id = gtk_combo_box_get_active (dropdown);
 	GtkTreeModel *model;
@@ -1643,12 +1668,14 @@ emae_receipt_policy_changed (GtkComboBox *dropdown,
 			e_account_set_int (account, E_ACCOUNT_RECEIPT_POLICY, policy);
 		}
 	}
+#endif /* ACCOUNT_MGMT */
 }
 
 static GtkWidget *
 emae_setup_receipt_policy (EMAccountEditor *emae,
                            GtkBuilder *builder)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	GtkComboBox *dropdown = (GtkComboBox *)e_builder_get_widget (builder, "receipt_policy_dropdown");
 	GtkListStore *store;
@@ -1693,12 +1720,16 @@ emae_setup_receipt_policy (EMAccountEditor *emae,
 	g_signal_connect (dropdown, "changed", G_CALLBACK(emae_receipt_policy_changed), emae);
 
 	return (GtkWidget *) dropdown;
+#endif /* ACCOUNT_MGMT */
+
+	return NULL;
 }
 
 static void
 emae_account_entry_changed (GtkEntry *entry,
                             EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	gchar *text;
 	gpointer data;
@@ -1712,6 +1743,7 @@ emae_account_entry_changed (GtkEntry *entry,
 	e_account_set_string (account, GPOINTER_TO_INT (data), text);
 
 	g_free (text);
+#endif /* ACCOUNT_MGMT */
 }
 
 static GtkEntry *
@@ -1720,6 +1752,7 @@ emae_account_entry (EMAccountEditor *emae,
                     gint item,
                     GtkBuilder *builder)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	GtkEntry *entry;
 	const gchar *text;
@@ -1733,12 +1766,16 @@ emae_account_entry (EMAccountEditor *emae,
 	g_signal_connect (entry, "changed", G_CALLBACK(emae_account_entry_changed), emae);
 
 	return entry;
+#endif /* ACCOUNT_MGMT */
+
+	return NULL;
 }
 
 static void
 emae_account_toggle_changed (GtkToggleButton *toggle,
                              EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	gboolean active;
 	gpointer data;
@@ -1748,6 +1785,7 @@ emae_account_toggle_changed (GtkToggleButton *toggle,
 	active = gtk_toggle_button_get_active (toggle);
 
 	e_account_set_bool (account, GPOINTER_TO_INT (data), active);
+#endif /* ACCOUNT_MGMT */
 }
 
 static void
@@ -1755,6 +1793,7 @@ emae_account_toggle_widget (EMAccountEditor *emae,
                             GtkToggleButton *toggle,
                             gint item)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	gboolean active;
 
@@ -1770,6 +1809,7 @@ emae_account_toggle_widget (EMAccountEditor *emae,
 	g_signal_connect (
 		toggle, "toggled",
 		G_CALLBACK (emae_account_toggle_changed), emae);
+#endif /* ACCOUNT_MGMT */
 }
 
 static GtkToggleButton *
@@ -1790,6 +1830,7 @@ static void
 emae_account_spinint_changed (GtkSpinButton *spin,
                               EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	gpointer data;
 	gint value;
@@ -1799,6 +1840,7 @@ emae_account_spinint_changed (GtkSpinButton *spin,
 	value = gtk_spin_button_get_value (spin);
 
 	e_account_set_int (account, GPOINTER_TO_INT (data), value);
+#endif /* ACCOUNT_MGMT */
 }
 
 static void
@@ -1806,6 +1848,7 @@ emae_account_spinint_widget (EMAccountEditor *emae,
                              GtkSpinButton *spin,
                              gint item)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	gint v_int;
 
@@ -1821,8 +1864,10 @@ emae_account_spinint_widget (EMAccountEditor *emae,
 	g_signal_connect (
 		spin, "value-changed",
 		G_CALLBACK (emae_account_spinint_changed), emae);
+#endif /* ACCOUNT_MGMT */
 }
 
+#if 0
 static void
 emae_account_folder_changed (EMFolderSelectionButton *folder,
                              EMAccountEditor *emae)
@@ -1873,6 +1918,7 @@ emae_account_folder (EMAccountEditor *emae,
 
 	return folder;
 }
+#endif
 
 #if defined (HAVE_NSS) && defined (ENABLE_SMIME)
 static void
@@ -1978,6 +2024,13 @@ smime_encrypt_key_clear (GtkWidget *w,
 }
 #endif
 
+#if 1 /* ACCOUNT_MGMT - Remove this. */
+#define E_ACCOUNT_SOURCE_URL 0
+#define E_ACCOUNT_SOURCE_SAVE_PASSWD 0
+#define E_ACCOUNT_TRANSPORT_URL 0
+#define E_ACCOUNT_TRANSPORT_SAVE_PASSWD 0
+#endif
+
 /* This is used to map each of the two services in a typical account to
  * the widgets that represent each service.  i.e. the receiving (source)
  * service, and the sending (transport) service.  It is used throughout
@@ -2344,7 +2397,11 @@ emae_service_provider_changed (EMAccountEditorService *service)
 
 	em_config_target_update_settings (
 		config, target,
+#if 0  /* ACCOUNT_MGMT */
 		service->emae->priv->modified_account->id->address,
+#else
+		NULL,
+#endif /* ACCOUNT_MGMT */
 		service->emae->priv->source.protocol,
 		service->emae->priv->source.settings,
 		service->emae->priv->transport.protocol,
@@ -2463,7 +2520,6 @@ emae_check_authtype_done (CamelService *camel_service,
                           GAsyncResult *result,
                           EMAccountEditorService *service)
 {
-	EMailBackend *backend;
 	EMailSession *session;
 	GtkWidget *editor;
 	GList *available_authtypes;
@@ -2499,8 +2555,7 @@ emae_check_authtype_done (CamelService *camel_service,
 	if (editor != NULL)
 		gtk_widget_set_sensitive (editor, TRUE);
 
-	backend = em_account_editor_get_backend (service->emae);
-	session = e_mail_backend_get_session (backend);
+	session = em_account_editor_get_session (service->emae);
 
 	/* drop the temporary CamelService */
 	camel_session_remove_service (
@@ -2521,8 +2576,8 @@ static void
 emae_check_authtype (GtkWidget *w,
                      EMAccountEditorService *service)
 {
+#if 0  /* ACCOUNT_MGMT */
 	CamelService *camel_service;
-	EMailBackend *backend;
 	EMailSession *session;
 	GtkWidget *editor;
 	gpointer parent;
@@ -2531,8 +2586,7 @@ emae_check_authtype (GtkWidget *w,
 
 	editor = E_CONFIG (service->emae->config)->window;
 
-	backend = em_account_editor_get_backend (service->emae);
-	session = e_mail_backend_get_session (backend);
+	session = em_account_editor_get_session (service->emae);
 
 	uid = g_strdup_printf ("emae-check-authtype-%p", service);
 
@@ -2587,6 +2641,7 @@ emae_check_authtype (GtkWidget *w,
 
 	if (editor != NULL)
 		gtk_widget_set_sensitive (editor, FALSE);
+#endif /* ACCOUNT_MGMT */
 }
 
 static void
@@ -2890,6 +2945,7 @@ emae_create_basic_assistant_page (EMAccountEditor *emae,
 }
 
 /* do not re-order these, the order is used by various code to look up emae->priv->identity_entries[] */
+#if 0  /* ACCOUNT_MGMT */
 static struct {
 	const gchar *name;
 	gint item;
@@ -2900,6 +2956,7 @@ static struct {
 	{ "identity_reply_to", E_ACCOUNT_ID_REPLY_TO },
 	{ "identity_organization", E_ACCOUNT_ID_ORGANIZATION },
 };
+#endif /* ACCOUNT_MGMT */
 
 static void
 emae_queue_widgets (EMAccountEditor *emae,
@@ -2925,6 +2982,7 @@ emae_identity_page (EConfig *ec,
                     gint position,
                     gpointer data)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EMAccountEditor *emae = data;
 	EMAccountEditorPrivate *priv = emae->priv;
 	EAccount *account;
@@ -3004,6 +3062,9 @@ emae_identity_page (EConfig *ec,
 	g_object_unref (builder);
 
 	return w;
+#endif /* ACCOUNT_MGMT */
+
+	return NULL;
 }
 
 static GtkWidget *
@@ -3410,11 +3471,15 @@ emae_receive_options_item (EConfig *ec,
 
 	box = gtk_hbox_new (FALSE, 4);
 	w = gtk_check_button_new_with_mnemonic (_("Check for _new messages every"));
+#if 0  /* ACCOUNT_MGMT */
 	emae_account_toggle_widget (emae, (GtkToggleButton *) w, E_ACCOUNT_SOURCE_AUTO_CHECK);
+#endif /* ACCOUNT_MGMT */
 	gtk_box_pack_start ((GtkBox *) box, w, FALSE, FALSE, 0);
 
 	spin = gtk_spin_button_new_with_range (1.0, 1440.0, 1.0);
+#if 0  /* ACCOUNT_MGMT */
 	emae_account_spinint_widget (emae, (GtkSpinButton *) spin, E_ACCOUNT_SOURCE_AUTO_CHECK_TIME);
+#endif /* ACCOUNT_MGMT */
 	gtk_box_pack_start ((GtkBox *) box, spin, FALSE, TRUE, 0);
 
 	w = gtk_label_new_with_mnemonic (_("minu_tes"));
@@ -3436,6 +3501,7 @@ emae_receive_options_extra_item (EConfig *ec,
                                  gint position,
                                  gpointer data)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EMAccountEditor *emae = data;
 	EMAccountEditorService *service;
 	struct _receive_options_item *item = (struct _receive_options_item *) eitem;
@@ -3604,6 +3670,9 @@ section:
 		gtk_widget_show (widget);
 
 	return widget;
+#endif /* ACCOUNT_MGMT */
+
+	return NULL;  /* ACCOUNT_MGMT */
 }
 
 static GtkWidget *
@@ -3679,6 +3748,7 @@ emae_real_url_toggled (GtkToggleButton *check,
 		em_folder_selection_button_set_folder_uri (button, "");
 }
 
+#if 0  /* ACCOUNT_MGMT */
 static void
 set_real_folder_path (GtkButton *folder_button,
                       CamelSettings *settings,
@@ -3760,6 +3830,7 @@ update_real_folder_cb (GtkButton *folder_button,
 	g_object_set (G_OBJECT (settings), prop_name, path, NULL);
 	g_free (path);
 }
+#endif /* ACCOUNT_MGMT */
 
 static GtkWidget *
 emae_defaults_page (EConfig *ec,
@@ -3769,6 +3840,7 @@ emae_defaults_page (EConfig *ec,
                     gint position,
                     gpointer data)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EMAccountEditor *emae = data;
 	EMAccountEditorPrivate *priv = emae->priv;
 	EMFolderSelectionButton *button;
@@ -3776,7 +3848,6 @@ emae_defaults_page (EConfig *ec,
 	CamelProvider *provider;
 	CamelSettings *settings;
 	CamelStore *store = NULL;
-	EMailBackend *backend;
 	EMailSession *session;
 	EAccount *account;
 	GtkWidget *widget;
@@ -3790,9 +3861,7 @@ emae_defaults_page (EConfig *ec,
 		return NULL;
 
 	account = em_account_editor_get_modified_account (emae);
-	backend = em_account_editor_get_backend (emae);
-
-	session = e_mail_backend_get_session (backend);
+	session = em_account_editor_get_session (emae);
 
 	if (account != NULL) {
 		CamelService *service;
@@ -3988,12 +4057,16 @@ emae_defaults_page (EConfig *ec,
 	g_object_unref (builder);
 
 	return widget;
+#endif /* ACCOUNT_MGMT */
+
+	return NULL;
 }
 
 static void
 emae_account_hash_algo_combo_changed_cb (GtkComboBox *combobox,
                                          EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	gpointer data;
 	const gchar *text = NULL;
@@ -4015,6 +4088,7 @@ emae_account_hash_algo_combo_changed_cb (GtkComboBox *combobox,
 	}
 
 	e_account_set_string (account, GPOINTER_TO_INT (data), text);
+#endif /* ACCOUNT_MGMT */
 }
 
 static GtkComboBox *
@@ -4023,6 +4097,7 @@ emae_account_hash_algo_combo (EMAccountEditor *emae,
                               gint item,
                               GtkBuilder *builder)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccount *account;
 	GtkComboBox *combobox;
 	const gchar *text;
@@ -4050,6 +4125,9 @@ emae_account_hash_algo_combo (EMAccountEditor *emae,
 	g_signal_connect (combobox, "changed", G_CALLBACK (emae_account_hash_algo_combo_changed_cb), emae);
 
 	return combobox;
+#endif /* ACCOUNT_MGMT */
+
+	return NULL;
 }
 
 static GtkWidget *
@@ -4073,6 +4151,7 @@ emae_security_page (EConfig *ec,
 	builder = gtk_builder_new ();
 	e_load_ui_builder_definition (builder, "mail-config.ui");
 
+#if 0  /* ACCOUNT_MGMT */
 	/* Security */
 	emae_account_entry (emae, "pgp_key", E_ACCOUNT_PGP_KEY, builder);
 	emae_account_hash_algo_combo (emae, "pgp_hash_algo", E_ACCOUNT_PGP_HASH_ALGORITHM, builder);
@@ -4080,26 +4159,33 @@ emae_security_page (EConfig *ec,
 	emae_account_toggle (emae, "pgp_always_sign", E_ACCOUNT_PGP_ALWAYS_SIGN, builder);
 	emae_account_toggle (emae, "pgp_no_imip_sign", E_ACCOUNT_PGP_NO_IMIP_SIGN, builder);
 	emae_account_toggle (emae, "pgp_always_trust", E_ACCOUNT_PGP_ALWAYS_TRUST, builder);
+#endif /* ACCOUNT_MGMT */
 
 #if defined (HAVE_NSS) && defined (ENABLE_SMIME)
 	/* TODO: this should handle its entry separately? */
+#if 0  /* ACCOUNT_MGMT */
 	priv->smime_sign_key = emae_account_entry (emae, "smime_sign_key", E_ACCOUNT_SMIME_SIGN_KEY, builder);
+#endif /* ACCOUNT_MGMT */
 	priv->smime_sign_key_select = (GtkButton *)e_builder_get_widget (builder, "smime_sign_key_select");
 	priv->smime_sign_key_clear = (GtkButton *)e_builder_get_widget (builder, "smime_sign_key_clear");
 	g_signal_connect (priv->smime_sign_key_select, "clicked", G_CALLBACK(smime_sign_key_select), emae);
 	g_signal_connect (priv->smime_sign_key_clear, "clicked", G_CALLBACK(smime_sign_key_clear), emae);
 
+#if 0  /* ACCOUNT_MGMT */
 	emae_account_hash_algo_combo (emae, "smime_hash_algo", E_ACCOUNT_SMIME_HASH_ALGORITHM, builder);
 	priv->smime_sign_default = emae_account_toggle (emae, "smime_sign_default", E_ACCOUNT_SMIME_SIGN_DEFAULT, builder);
 
 	priv->smime_encrypt_key = emae_account_entry (emae, "smime_encrypt_key", E_ACCOUNT_SMIME_ENCRYPT_KEY, builder);
+#endif /* ACCOUNT_MGMT */
 	priv->smime_encrypt_key_select = (GtkButton *)e_builder_get_widget (builder, "smime_encrypt_key_select");
 	priv->smime_encrypt_key_clear = (GtkButton *)e_builder_get_widget (builder, "smime_encrypt_key_clear");
 	g_signal_connect (priv->smime_encrypt_key_select, "clicked", G_CALLBACK(smime_encrypt_key_select), emae);
 	g_signal_connect (priv->smime_encrypt_key_clear, "clicked", G_CALLBACK(smime_encrypt_key_clear), emae);
 
+#if 0  /* ACCOUNT_MGMT */
 	priv->smime_encrypt_default = emae_account_toggle (emae, "smime_encrypt_default", E_ACCOUNT_SMIME_ENCRYPT_DEFAULT, builder);
 	priv->smime_encrypt_to_self = emae_account_toggle (emae, "smime_encrypt_to_self", E_ACCOUNT_SMIME_ENCRYPT_TO_SELF, builder);
+#endif /* ACCOUNT_MGMT */
 	smime_changed (emae);
 #else
 	{
@@ -4483,6 +4569,7 @@ emae_check_complete (EConfig *ec,
                      const gchar *pageid,
                      gpointer data)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EMAccountEditor *emae = data;
 	EAccount *account;
 	EAccount *original_account;
@@ -4838,6 +4925,9 @@ emae_check_complete (EConfig *ec,
 	}
 
 	return ok;
+#endif /* ACCOUNT_MGMT */
+
+	return FALSE;
 }
 
 gboolean
@@ -4847,6 +4937,7 @@ em_account_editor_check (EMAccountEditor *emae,
 	return emae_check_complete ((EConfig *) emae->config, page, emae);
 }
 
+#if 0  /* ACCOUNT_MGMT */
 static void
 forget_password_if_needed (EAccount *original_account,
                            EAccount *modified_account,
@@ -4885,6 +4976,7 @@ forget_password_if_needed (EAccount *original_account,
 		camel_url_free (url);
 	}
 }
+#endif /* ACCOUNT_MGMT */
 
 #define CALENDAR_CALDAV_URI "caldav://%s www google com/calendar/dav/%s/events"
 #define GMAIL_CALENDAR_LOCATION "://www.google.com/calendar/feeds/"
@@ -4917,6 +5009,7 @@ sanitize_user_mail (const gchar *user)
 static void
 setup_google_addressbook (EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	GConfClient *gconf;
 	ESourceList *slist;
 	ESourceGroup *sgrp;
@@ -4965,11 +5058,13 @@ setup_google_addressbook (EMAccountEditor *emae)
 	g_object_unref (slist);
 	g_object_unref (sgrp);
 	g_object_unref (gconf);
+#endif /* ACCOUNT_MGMT */
 }
 
 static void
 setup_google_calendar (EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	GConfClient *gconf;
 	ESourceList *slist;
 	ESourceGroup *sgrp;
@@ -5034,11 +5129,13 @@ setup_google_calendar (EMAccountEditor *emae)
 	g_object_unref (sgrp);
 	g_object_unref (calendar);
 	g_object_unref (gconf);
+#endif /* ACCOUNT_MGMT */
 }
 
 static void
 setup_yahoo_calendar (EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	GConfClient *gconf;
 	ESourceList *slist;
 	ESourceGroup *sgrp;
@@ -5105,12 +5202,14 @@ setup_yahoo_calendar (EMAccountEditor *emae)
 	g_object_unref (sgrp);
 	g_object_unref (calendar);
 	g_object_unref (gconf);
+#endif /* ACCOUNT_MGMT */
 }
 
 static void
 emae_commit (EConfig *ec,
              EMAccountEditor *emae)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EAccountList *accounts = e_get_account_list ();
 	EAccount *account;
 	EAccount *modified_account;
@@ -5217,6 +5316,7 @@ emae_commit (EConfig *ec,
 	}
 
 	e_account_list_save (accounts);
+#endif /* ACCOUNT_MGMT */
 }
 
 void
@@ -5230,6 +5330,7 @@ em_account_editor_construct (EMAccountEditor *emae,
                              EMAccountEditorType type,
                              const gchar *id)
 {
+#if 0  /* ACCOUNT_MGMT */
 	EMAccountEditorPrivate *priv = emae->priv;
 	gint i, index;
 	GSList *l;
@@ -5333,5 +5434,5 @@ em_account_editor_construct (EMAccountEditor *emae,
 		emae->priv->transport.protocol,
 		emae->priv->transport.settings);
 	e_config_set_target ((EConfig *) ec, (EConfigTarget *) target);
+#endif /* ACCOUNT_MGMT */
 }
-
diff --git a/mail/em-account-editor.h b/mail/em-account-editor.h
index 18d4b91..7b584c6 100644
--- a/mail/em-account-editor.h
+++ b/mail/em-account-editor.h
@@ -28,8 +28,6 @@
 #include <mail/em-config.h>
 #include <mail/e-mail-backend.h>
 
-#include <libedataserver/e-account.h>
-
 /* Standard GObject macros */
 #define EM_TYPE_ACCOUNT_EDITOR \
 	(em_account_editor_get_type ())
@@ -98,20 +96,20 @@ struct _EMAccountEditorClass {
 
 GType		em_account_editor_get_type	(void);
 EMAccountEditor *
-		em_account_editor_new		(EAccount *account,
+		em_account_editor_new		(ESource *source,
 						 EMAccountEditorType type,
 						 EMailBackend *backend,
 						 const gchar *id);
 EMAccountEditor *
-		em_account_editor_new_for_pages	(EAccount *account,
+		em_account_editor_new_for_pages	(ESource *source,
 						 EMAccountEditorType type,
 						 EMailBackend *backend,
 						 const gchar *id,
 						 GtkWidget **pages);
-EMailBackend *	em_account_editor_get_backend	(EMAccountEditor *emae);
-EAccount *	em_account_editor_get_modified_account
+EMailSession *	em_account_editor_get_session	(EMAccountEditor *emae);
+ESource *	em_account_editor_get_modified_source
 						(EMAccountEditor *emae);
-EAccount *	em_account_editor_get_original_account
+ESource *	em_account_editor_get_original_source
 						(EMAccountEditor *emae);
 void		em_account_editor_commit	(EMAccountEditor *emae);
 gboolean	em_account_editor_check		(EMAccountEditor *emae,
diff --git a/mail/em-composer-utils.c b/mail/em-composer-utils.c
index 850a5e5..60e568f 100644
--- a/mail/em-composer-utils.c
+++ b/mail/em-composer-utils.c
@@ -31,13 +31,17 @@
 #include <glib/gi18n.h>
 
 #include <libedataserver/e-data-server-util.h>
+#include <libedataserver/e-source-mail-account.h>
+#include <libedataserver/e-source-mail-composition.h>
+#include <libedataserver/e-source-mail-identity.h>
+#include <libedataserver/e-source-mail-submission.h>
+#include <libedataserver/e-source-mdn.h>
 
 #include "mail-mt.h"
 #include "mail-ops.h"
 #include "mail-tools.h"
 #include "mail-send-recv.h"
 
-#include "e-util/e-account-utils.h"
 #include "e-util/e-alert-dialog.h"
 #include "e-util/e-alert-sink.h"
 #include "e-util/e-util.h"
@@ -362,23 +366,27 @@ finished:
 }
 
 static gboolean
-composer_presend_check_account (EMsgComposer *composer,
-                                EMailSession *session)
+composer_presend_check_identity (EMsgComposer *composer,
+                                 EMailSession *session)
 {
 	EComposerHeaderTable *table;
-	EAccount *account;
-	gboolean check_passed;
+	ESourceRegistry *registry;
+	ESource *source;
+	const gchar *uid;
 
 	table = e_msg_composer_get_header_table (composer);
-	account = e_composer_header_table_get_account (table);
-	check_passed = (account != NULL && account->enabled);
+	registry = e_composer_header_table_get_registry (table);
+	uid = e_composer_header_table_get_identity_uid (table);
+	source = e_source_registry_lookup_by_uid (registry, uid);
 
-	if (!check_passed)
+	if (!em_utils_mail_identity_is_enabled (registry, source)) {
 		e_alert_submit (
 			E_ALERT_SINK (composer),
 			"mail:send-no-account-enabled", NULL);
+		return FALSE;
+	}
 
-	return check_passed;
+	return TRUE;
 }
 
 static gboolean
@@ -794,9 +802,11 @@ em_utils_composer_save_to_drafts_cb (EMsgComposer *composer,
 {
 	AsyncContext *context;
 	EComposerHeaderTable *table;
+	ESourceRegistry *registry;
+	ESource *source;
 	const gchar *drafts_folder_uri = NULL;
 	const gchar *local_drafts_folder_uri;
-	EAccount *account;
+	const gchar *identity_uid;
 
 	context = g_slice_new0 (AsyncContext);
 	context->message = g_object_ref (message);
@@ -804,18 +814,29 @@ em_utils_composer_save_to_drafts_cb (EMsgComposer *composer,
 	context->composer = g_object_ref (composer);
 	context->activity = g_object_ref (activity);
 
-	local_drafts_folder_uri =
-		e_mail_session_get_local_folder_uri (
-		session, E_MAIL_LOCAL_FOLDER_DRAFTS);
-
 	table = e_msg_composer_get_header_table (composer);
-	account = e_composer_header_table_get_account (table);
 
-	if (account != NULL && account->enabled)
-		drafts_folder_uri = account->drafts_folder_uri;
+	registry = e_composer_header_table_get_registry (table);
+	identity_uid = e_composer_header_table_get_identity_uid (table);
+	source = e_source_registry_lookup_by_uid (registry, identity_uid);
+
+	/* Get the selected identity's preferred Drafts folder. */
+	if (source != NULL) {
+		ESourceMailComposition *extension;
+		const gchar *extension_name;
+		const gchar *uri;
 
-	if (g_strcmp0 (drafts_folder_uri, local_drafts_folder_uri) == 0)
-		drafts_folder_uri = NULL;
+		extension_name = E_SOURCE_EXTENSION_MAIL_COMPOSITION;
+		extension = e_source_get_extension (source, extension_name);
+		uri = e_source_mail_composition_get_drafts_folder (extension);
+
+		if (uri != NULL && *uri != '\0')
+			drafts_folder_uri = uri;
+	}
+
+	local_drafts_folder_uri =
+		e_mail_session_get_local_folder_uri (
+		session, E_MAIL_LOCAL_FOLDER_DRAFTS);
 
 	if (drafts_folder_uri == NULL) {
 		composer_save_to_drafts_append_mail (context, NULL);
@@ -934,12 +955,15 @@ create_new_composer (EShell *shell,
                      CamelFolder *folder)
 {
 	EMsgComposer *composer;
+	ESourceRegistry *registry;
 	EComposerHeaderTable *table;
-	EAccount *account = NULL;
+	ESource *source = NULL;
+	const gchar *identity = NULL;
 
 	composer = e_msg_composer_new (shell);
 
 	table = e_msg_composer_get_header_table (composer);
+	registry = e_composer_header_table_get_registry (table);
 
 	if (folder != NULL) {
 		CamelStore *store;
@@ -949,7 +973,7 @@ create_new_composer (EShell *shell,
 
 		store = camel_folder_get_parent_store (folder);
 		uid = camel_service_get_uid (CAMEL_SERVICE (store));
-		account = e_get_account_by_uid (uid);
+		source = e_source_registry_lookup_by_uid (registry, uid);
 
 		folder_uri = e_mail_folder_uri_from_folder (folder);
 
@@ -960,8 +984,17 @@ create_new_composer (EShell *shell,
 		g_free (folder_uri);
 	}
 
-	e_composer_header_table_set_account (table, account);
+	if (source != NULL) {
+		ESourceMailAccount *extension;
+		const gchar *extension_name;
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+		extension = e_source_get_extension (source, extension_name);
+		identity = e_source_mail_account_get_identity_uid (extension);
+	}
+
 	e_composer_header_table_set_subject (table, subject);
+	e_composer_header_table_set_identity_uid (table, identity);
 
 	return composer;
 }
@@ -1007,8 +1040,8 @@ em_utils_compose_new_message_with_mailto (EShell *shell,
                                           CamelFolder *folder)
 {
 	EMsgComposer *composer;
+	ESourceRegistry *registry;
 	EComposerHeaderTable *table;
-	CamelService *service = NULL;
 
 	g_return_val_if_fail (E_IS_SHELL (shell), NULL);
 
@@ -1021,25 +1054,37 @@ em_utils_compose_new_message_with_mailto (EShell *shell,
 		composer = e_msg_composer_new (shell);
 
 	table = e_msg_composer_get_header_table (composer);
+	registry = e_composer_header_table_get_registry (table);
+
+	composer_set_no_change (composer);
+
+	gtk_window_present (GTK_WINDOW (composer));
+
+	/* If a CamelFolder was given, we need to backtrack and find
+	 * the corresponding ESource with a Mail Identity extension. */
 
 	if (folder != NULL) {
+		ESource *source;
 		CamelStore *store;
+		ESourceMailAccount *extension;
+		const gchar *extension_name;
+		const gchar *uid;
 
 		store = camel_folder_get_parent_store (folder);
-		service = CAMEL_SERVICE (store);
-	}
+		uid = camel_service_get_uid (CAMEL_SERVICE (store));
+		source = e_source_registry_lookup_by_uid (registry, uid);
+		g_return_val_if_fail (source != NULL, composer);
 
-	if (service != NULL) {
-		const gchar *display_name;
+		extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+		if (e_source_has_extension (source, extension_name))
+			goto exit;
 
-		display_name = camel_service_get_display_name (service);
-		e_composer_header_table_set_account_name (table, display_name);
+		extension = e_source_get_extension (source, extension_name);
+		uid = e_source_mail_account_get_identity_uid (extension);
+		e_composer_header_table_set_identity_uid (table, uid);
 	}
 
-	composer_set_no_change (composer);
-
-	gtk_window_present (GTK_WINDOW (composer));
-
+exit:
 	return composer;
 }
 
@@ -1260,6 +1305,7 @@ em_utils_edit_message (EShell *shell,
                        const gchar *message_uid)
 {
 	EMsgComposer *composer;
+	ESourceRegistry *registry;
 	gboolean folder_is_drafts;
 	gboolean folder_is_outbox;
 	gboolean folder_is_templates;
@@ -1268,9 +1314,10 @@ em_utils_edit_message (EShell *shell,
 	g_return_val_if_fail (CAMEL_IS_FOLDER (folder), NULL);
 	g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
 
-	folder_is_drafts = em_utils_folder_is_drafts (folder);
-	folder_is_outbox = em_utils_folder_is_outbox (folder);
-	folder_is_templates = em_utils_folder_is_templates (folder);
+	registry = e_shell_get_registry (shell);
+	folder_is_drafts = em_utils_folder_is_drafts (registry, folder);
+	folder_is_outbox = em_utils_folder_is_outbox (registry, folder);
+	folder_is_templates = em_utils_folder_is_templates (registry, folder);
 
 	/* Template specific code follows. */
 	if (folder_is_templates) {
@@ -1819,8 +1866,10 @@ static EMsgComposer *
 redirect_get_composer (EShell *shell,
                        CamelMimeMessage *message)
 {
+	ESourceRegistry *registry;
 	CamelMedium *medium;
-	EAccount *account;
+	ESource *source;
+	const gchar *identity_uid = NULL;
 
 	medium = CAMEL_MEDIUM (message);
 
@@ -1836,10 +1885,15 @@ redirect_get_composer (EShell *shell,
 	while (camel_medium_get_header (medium, "Resent-Bcc"))
 		camel_medium_remove_header (medium, "Resent-Bcc");
 
-	account = em_utils_guess_account_with_recipients (message, NULL);
+	registry = e_shell_get_registry (shell);
+
+	source = em_utils_guess_mail_identity_with_recipients (
+		registry, message, NULL);
+	if (source != NULL)
+		identity_uid = e_source_get_uid (source);
 
 	return e_msg_composer_new_redirect (
-		shell, message, account ? account->name : NULL, NULL);
+		shell, message, identity_uid, NULL);
 }
 
 /**
@@ -1906,7 +1960,7 @@ em_utils_camel_address_to_destination (CamelInternetAddress *iaddr)
 static EMsgComposer *
 reply_get_composer (EShell *shell,
                     CamelMimeMessage *message,
-                    EAccount *account,
+                    const gchar *identity_uid,
                     CamelInternetAddress *to,
                     CamelInternetAddress *cc,
                     CamelFolder *folder,
@@ -1947,9 +2001,9 @@ reply_get_composer (EShell *shell,
 	}
 
 	table = e_msg_composer_get_header_table (composer);
-	e_composer_header_table_set_account (table, account);
 	e_composer_header_table_set_subject (table, subject);
 	e_composer_header_table_set_destinations_to (table, tov);
+	e_composer_header_table_set_identity_uid (table, identity_uid);
 
 	/* Add destinations instead of setting, so we don't remove
 	 * automatic CC addresses that have already been added. */
@@ -2243,8 +2297,96 @@ concat_unique_addrs (CamelInternetAddress *dest,
 	}
 }
 
+static GHashTable *
+generate_recipient_hash (ESourceRegistry *registry)
+{
+	GHashTable *rcpt_hash;
+	ESource *default_source;
+	GList *list, *link;
+	const gchar *extension_name;
+
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
+
+	rcpt_hash = g_hash_table_new (
+		(GHashFunc) camel_strcase_hash,
+		(GEqualFunc) camel_strcase_equal);
+
+	default_source = e_source_registry_get_default_mail_account (registry);
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESource *cached_source;
+		ESource *identity_source;
+		ESourceExtension *extension;
+		const gchar *address;
+		gboolean insert_source;
+		gboolean cached_is_default;
+		gboolean cached_is_enabled;
+		gboolean source_is_default;
+		gboolean source_is_enabled;
+
+		source_is_default = e_source_equal (source, default_source);
+		source_is_enabled = e_source_get_enabled (source);
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+		extension = e_source_get_extension (source, extension_name);
+
+		identity_source = e_source_mail_account_get_identity (
+			E_SOURCE_MAIL_ACCOUNT (extension));
+
+		if (identity_source == NULL)
+			continue;
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;
+		extension = e_source_get_extension (
+			identity_source, extension_name);
+
+		address = e_source_mail_identity_get_address (
+			E_SOURCE_MAIL_IDENTITY (extension));
+
+		if (address == NULL)
+			continue;
+
+		cached_source = g_hash_table_lookup (rcpt_hash, address);
+
+		if (cached_source != NULL) {
+			cached_is_default = e_source_equal (
+				cached_source, default_source);
+			cached_is_enabled =
+				e_source_get_enabled (cached_source);
+		} else {
+			cached_is_default = FALSE;
+			cached_is_enabled = FALSE;
+		}
+
+		/* Accounts with identical email addresses that are enabled
+		 * take precedence over disabled accounts.  If all accounts
+		 * with matching email addresses are disabled, the first
+		 * one in the list takes precedence.  The default account
+		 * always takes precedence no matter what. */
+		insert_source =
+			source_is_default ||
+			cached_source == NULL ||
+			(source_is_enabled &&
+			 !cached_is_enabled &&
+			 !cached_is_default);
+
+		if (insert_source)
+			g_hash_table_insert (
+				rcpt_hash, (gchar *) address, source);
+	}
+
+	g_list_free (list);
+
+	return rcpt_hash;
+}
+
 void
-em_utils_get_reply_all (CamelMimeMessage *message,
+em_utils_get_reply_all (ESourceRegistry *registry,
+                        CamelMimeMessage *message,
                         CamelInternetAddress *to,
                         CamelInternetAddress *cc,
                         CamelNNTPAddress *postto)
@@ -2257,6 +2399,7 @@ em_utils_get_reply_all (CamelMimeMessage *message,
 	const gchar *posthdr = NULL;
 	GHashTable *rcpt_hash;
 
+	g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
 	g_return_if_fail (CAMEL_IS_MIME_MESSAGE (message));
 	g_return_if_fail (CAMEL_IS_INTERNET_ADDRESS (to));
 	g_return_if_fail (CAMEL_IS_INTERNET_ADDRESS (cc));
@@ -2273,7 +2416,7 @@ em_utils_get_reply_all (CamelMimeMessage *message,
 	if (postto != NULL && posthdr != NULL)
 		camel_address_decode (CAMEL_ADDRESS (postto), posthdr);
 
-	rcpt_hash = em_utils_generate_account_hash ();
+	rcpt_hash = generate_recipient_hash (registry);
 
 	reply_to = get_reply_to (message);
 	to_addrs = camel_mime_message_get_recipients (
@@ -2656,10 +2799,12 @@ em_utils_reply_to_message (EShell *shell,
                            EMFormat *source_formatter,
                            CamelInternetAddress *address)
 {
+	ESourceRegistry *registry;
 	CamelInternetAddress *to, *cc;
 	CamelNNTPAddress *postto = NULL;
 	EMsgComposer *composer;
-	EAccount *account;
+	ESource *source;
+	const gchar *identity_uid = NULL;
 	guint32 flags;
 
 	g_return_val_if_fail (E_IS_SHELL (shell), NULL);
@@ -2668,7 +2813,11 @@ em_utils_reply_to_message (EShell *shell,
 	to = camel_internet_address_new ();
 	cc = camel_internet_address_new ();
 
-	account = em_utils_guess_account_with_recipients (message, folder);
+	registry = e_shell_get_registry (shell);
+	source = em_utils_guess_mail_identity_with_recipients (
+		registry, message, folder);
+	if (source != NULL)
+		identity_uid = e_source_get_uid (source);
 	flags = CAMEL_MESSAGE_ANSWERED | CAMEL_MESSAGE_SEEN;
 
 	switch (type) {
@@ -2700,12 +2849,12 @@ em_utils_reply_to_message (EShell *shell,
 		if (folder)
 			postto = camel_nntp_address_new ();
 
-		em_utils_get_reply_all (message, to, cc, postto);
+		em_utils_get_reply_all (registry, message, to, cc, postto);
 		break;
 	}
 
 	composer = reply_get_composer (
-		shell, message, account, to, cc, folder, postto);
+		shell, message, identity_uid, to, cc, folder, postto);
 	e_msg_composer_add_message_attachments (composer, message, TRUE);
 
 	if (postto)
@@ -2817,7 +2966,7 @@ em_configure_new_composer (EMsgComposer *composer,
 
 	g_signal_connect (
 		composer, "presend",
-		G_CALLBACK (composer_presend_check_account), session);
+		G_CALLBACK (composer_presend_check_identity), session);
 
 	g_signal_connect (
 		composer, "presend",
diff --git a/mail/em-composer-utils.h b/mail/em-composer-utils.h
index 093001d..599249f 100644
--- a/mail/em-composer-utils.h
+++ b/mail/em-composer-utils.h
@@ -65,7 +65,8 @@ gboolean	em_utils_is_munged_list_message	(CamelMimeMessage *message);
 void		em_utils_get_reply_sender	(CamelMimeMessage *message,
 						 CamelInternetAddress *to,
 						 CamelNNTPAddress *postto);
-void		em_utils_get_reply_all		(CamelMimeMessage *message,
+void		em_utils_get_reply_all		(ESourceRegistry *registry,
+						 CamelMimeMessage *message,
 						 CamelInternetAddress *to,
 						 CamelInternetAddress *cc,
 						 CamelNNTPAddress *postto);
diff --git a/mail/em-filter-source-element.c b/mail/em-filter-source-element.c
index a8e51e2..0f9a625 100644
--- a/mail/em-filter-source-element.c
+++ b/mail/em-filter-source-element.c
@@ -32,23 +32,18 @@
 #include <gtk/gtk.h>
 #include <camel/camel.h>
 
-#include <e-util/e-account-utils.h>
+#include <libedataserver/e-source-mail-account.h>
+#include <libedataserver/e-source-mail-identity.h>
+
+#include <shell/e-shell.h>
 #include <filter/e-filter-part.h>
 
 #define EM_FILTER_SOURCE_ELEMENT_GET_PRIVATE(obj) \
 	(G_TYPE_INSTANCE_GET_PRIVATE \
 	((obj), EM_TYPE_FILTER_SOURCE_ELEMENT, EMFilterSourceElementPrivate))
 
-typedef struct _SourceInfo {
-	gchar *account_name;
-	gchar *name;
-	gchar *address;
-	gchar *uid;
-} SourceInfo;
-
 struct _EMFilterSourceElementPrivate {
 	EMailSession *session;
-	GList *sources;
 	gchar *active_id;
 };
 
@@ -63,16 +58,6 @@ enum {
 };
 
 static void
-source_info_free (SourceInfo *info)
-{
-	g_free (info->account_name);
-	g_free (info->name);
-	g_free (info->address);
-	g_free (info->uid);
-	g_free (info);
-}
-
-static void
 filter_source_element_source_changed (GtkComboBox *combo_box,
                                       EMFilterSourceElement *fs)
 {
@@ -85,52 +70,6 @@ filter_source_element_source_changed (GtkComboBox *combo_box,
 }
 
 static void
-filter_source_element_add_source (EMFilterSourceElement *fs,
-                                  const gchar *account_name,
-                                  const gchar *name,
-                                  const gchar *addr,
-                                  const gchar *uid)
-{
-	SourceInfo *info;
-
-	g_return_if_fail (EM_IS_FILTER_SOURCE_ELEMENT (fs));
-
-	info = g_new0 (SourceInfo, 1);
-	info->account_name = g_strdup (account_name);
-	info->name = g_strdup (name);
-	info->address = g_strdup (addr);
-	info->uid = g_strdup (uid);
-
-	fs->priv->sources = g_list_append (fs->priv->sources, info);
-}
-
-static void
-filter_source_element_get_sources (EMFilterSourceElement *fs)
-{
-	EAccountList *accounts;
-	const EAccount *account;
-	EIterator *it;
-
-	/* should this get the global object from mail? */
-	accounts = e_get_account_list ();
-
-	for (it = e_list_get_iterator ((EList *) accounts);
-	     e_iterator_is_valid (it);
-	     e_iterator_next (it)) {
-		account = (const EAccount *) e_iterator_get (it);
-
-		if (account->source == NULL)
-			continue;
-
-		filter_source_element_add_source (
-			fs, account->name, account->id->name,
-			account->id->address, account->uid);
-	}
-
-	g_object_unref (it);
-}
-
-static void
 filter_source_element_set_session (EMFilterSourceElement *element,
                                    EMailSession *session)
 {
@@ -198,8 +137,6 @@ filter_source_element_finalize (GObject *object)
 
 	priv = EM_FILTER_SOURCE_ELEMENT_GET_PRIVATE (object);
 
-	g_list_foreach (priv->sources, (GFunc) source_info_free, NULL);
-	g_list_free (priv->sources);
 	g_free (priv->active_id);
 
 	/* Chain up to parent's finalize() method. */
@@ -305,7 +242,6 @@ filter_source_element_clone (EFilterElement *fe)
 	EMFilterSourceElement *fs = (EMFilterSourceElement *) fe;
 	EMFilterSourceElement *cpy;
 	EMailSession *session;
-	GList *i;
 
 	session = em_filter_source_element_get_session (fs);
 	cpy = (EMFilterSourceElement *) em_filter_source_element_new (session);
@@ -313,13 +249,6 @@ filter_source_element_clone (EFilterElement *fe)
 
 	cpy->priv->active_id = g_strdup (fs->priv->active_id);
 
-	for (i = fs->priv->sources; i != NULL; i = g_list_next (i)) {
-		SourceInfo *info = (SourceInfo *) i->data;
-		filter_source_element_add_source (
-			cpy, info->account_name, info->name,
-			info->address, info->uid);
-	}
-
 	return (EFilterElement *) cpy;
 }
 
@@ -327,29 +256,39 @@ static GtkWidget *
 filter_source_element_get_widget (EFilterElement *fe)
 {
 	EMFilterSourceElement *fs = (EMFilterSourceElement *) fe;
+	EMailSession *session;
+	ESourceRegistry *registry;
+	GList *list, *link;
 	GtkWidget *widget;
 	GtkComboBox *combo_box;
-	GList *i;
-
-	if (fs->priv->sources == NULL)
-		filter_source_element_get_sources (fs);
+	const gchar *extension_name;
 
 	widget = gtk_combo_box_text_new ();
 	combo_box = GTK_COMBO_BOX (widget);
 
-	for (i = fs->priv->sources; i != NULL; i = g_list_next (i)) {
-		SourceInfo *info = (SourceInfo *) i->data;
+	session = em_filter_source_element_get_session (fs);
+	registry = e_mail_session_get_registry (session);
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceMailIdentity *extension;
 		const gchar *display_name;
 		const gchar *address;
 		const gchar *name;
 		const gchar *uid;
 		gchar *label;
 
-		uid = info->uid;
-		display_name = info->account_name;
+		uid = e_source_get_uid (source);
+		display_name = e_source_get_display_name (source);
 
-		name = info->name;
-		address = info->address;
+		extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;
+		extension = e_source_get_extension (source, extension_name);
+
+		name = e_source_mail_identity_get_name (extension);
+		address = e_source_mail_identity_get_address (extension);
 
 		if (g_strcmp0 (display_name, address) == 0)
 			label = g_strdup_printf (
@@ -365,6 +304,8 @@ filter_source_element_get_widget (EFilterElement *fe)
 		g_free (label);
 	}
 
+	g_list_free (link);
+
 	if (fs->priv->active_id != NULL) {
 		gtk_combo_box_set_active_id (combo_box, fs->priv->active_id);
 	} else {
diff --git a/mail/em-folder-tree-model.c b/mail/em-folder-tree-model.c
index c346435..e6fe94b 100644
--- a/mail/em-folder-tree-model.c
+++ b/mail/em-folder-tree-model.c
@@ -36,8 +36,12 @@
 
 #include <glib/gi18n.h>
 
+#include <libedataserver/e-source-mail-account.h>
+#include <libedataserver/e-source-mail-composition.h>
+#include <libedataserver/e-source-mail-identity.h>
+#include <libedataserver/e-source-mail-submission.h>
+
 #include "e-util/e-util.h"
-#include "e-util/e-account-utils.h"
 
 #include "mail-tools.h"
 #include "mail-mt.h"
@@ -622,8 +626,9 @@ em_folder_tree_model_set_folder_info (EMFolderTreeModel *model,
 	GtkTreeRowReference *uri_row, *path_row;
 	GtkTreeStore *tree_store;
 	MailFolderCache *folder_cache;
+	ESourceRegistry *registry;
 	EMailSession *session;
-	EAccount *account;
+	ESource *source;
 	guint unread;
 	GtkTreePath *path;
 	GtkTreeIter sub;
@@ -649,10 +654,11 @@ em_folder_tree_model_set_folder_info (EMFolderTreeModel *model,
 
 	session = em_folder_tree_model_get_session (model);
 	folder_cache = e_mail_session_get_folder_cache (session);
+	registry = e_mail_session_get_registry (session);
 
 	uid = camel_service_get_uid (CAMEL_SERVICE (si->store));
+	source = e_source_registry_lookup_by_uid (registry, uid);
 	store_is_local = (g_strcmp0 (uid, E_MAIL_SESSION_LOCAL_UID) == 0);
-	account = e_get_account_by_uid (uid);
 
 	if (!fully_loaded)
 		load = (fi->child == NULL) && !(fi->flags &
@@ -679,8 +685,8 @@ em_folder_tree_model_set_folder_info (EMFolderTreeModel *model,
 	unread = fi->unread;
 	if (mail_folder_cache_get_folder_from_uri (
 		folder_cache, uri, &folder) && folder) {
-		folder_is_drafts = em_utils_folder_is_drafts (folder);
-		folder_is_outbox = em_utils_folder_is_outbox (folder);
+		folder_is_drafts = em_utils_folder_is_drafts (registry, folder);
+		folder_is_outbox = em_utils_folder_is_outbox (registry, folder);
 
 		if (folder_is_drafts || folder_is_outbox) {
 			gint total;
@@ -723,17 +729,43 @@ em_folder_tree_model_set_folder_info (EMFolderTreeModel *model,
 		}
 	}
 
-	if (account != NULL && (flags & CAMEL_FOLDER_TYPE_MASK) == 0) {
-		if (!folder_is_drafts && account->drafts_folder_uri != NULL) {
+	if (source != NULL && (flags & CAMEL_FOLDER_TYPE_MASK) == 0) {
+		ESource *identity;
+		ESourceExtension *extension;
+		const gchar *extension_name;
+		const gchar *drafts_folder_uri;
+		const gchar *sent_folder_uri;
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+		extension = e_source_get_extension (source, extension_name);
+
+		identity = e_source_mail_account_get_identity (
+			E_SOURCE_MAIL_ACCOUNT (extension));
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_COMPOSITION;
+		extension = e_source_get_extension (identity, extension_name);
+
+		drafts_folder_uri =
+			e_source_mail_composition_get_drafts_folder (
+			E_SOURCE_MAIL_COMPOSITION (extension));
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_SUBMISSION;
+		extension = e_source_get_extension (identity, extension_name);
+
+		sent_folder_uri =
+			e_source_mail_submission_get_sent_folder (
+			E_SOURCE_MAIL_SUBMISSION (extension));
+
+		if (!folder_is_drafts && drafts_folder_uri != NULL) {
 			folder_is_drafts = e_mail_folder_uri_equal (
-				CAMEL_SESSION (session), uri,
-				account->drafts_folder_uri);
+				CAMEL_SESSION (session),
+				uri, drafts_folder_uri);
 		}
 
-		if (account->sent_folder_uri != NULL) {
+		if (sent_folder_uri != NULL) {
 			if (e_mail_folder_uri_equal (
-				CAMEL_SESSION (session), uri,
-				account->sent_folder_uri)) {
+				CAMEL_SESSION (session),
+				uri, sent_folder_uri)) {
 				add_flags = CAMEL_FOLDER_TYPE_SENT;
 			}
 		}
diff --git a/mail/em-subscription-editor.c b/mail/em-subscription-editor.c
index 15f7a3b..6bf9032 100644
--- a/mail/em-subscription-editor.c
+++ b/mail/em-subscription-editor.c
@@ -30,7 +30,6 @@
 #include "mail-mt.h"
 
 #include <e-util/e-util.h>
-#include <e-util/e-account-utils.h>
 #include <e-util/e-util-private.h>
 
 #include "em-folder-utils.h"
@@ -1538,16 +1537,19 @@ subscription_editor_constructed (GObject *object)
 	/* Pick an initial store based on the default mail account, if
 	 * one wasn't already given in em_subscription_editor_new(). */
 	if (editor->priv->initial_store == NULL) {
-		EAccount *account;
+		ESource *source;
+		ESourceRegistry *registry;
 		CamelService *service;
 		EMailSession *session;
 
-		account = e_get_default_account ();
-
 		session = em_subscription_editor_get_session (editor);
+		registry = e_mail_session_get_registry (session);
+
+		source = e_source_registry_get_default_mail_account (registry);
 
 		service = camel_session_get_service (
-			CAMEL_SESSION (session), account->uid);
+			CAMEL_SESSION (session),
+			e_source_get_uid (source));
 
 		if (CAMEL_IS_SUBSCRIBABLE (service))
 			editor->priv->initial_store = g_object_ref (service);
diff --git a/mail/em-utils.c b/mail/em-utils.c
index ac8a436..6756ac2 100644
--- a/mail/em-utils.c
+++ b/mail/em-utils.c
@@ -55,13 +55,18 @@
 #include "mail-tools.h"
 #include "e-mail-tag-editor.h"
 
+#include <libedataserver/e-source-address-book.h>
+#include <libedataserver/e-source-autocomplete.h>
+#include <libedataserver/e-source-mail-account.h>
+#include <libedataserver/e-source-mail-composition.h>
+#include <libedataserver/e-source-mail-identity.h>
+#include <libedataserver/e-source-mail-submission.h>
 #include <libedataserver/e-data-server-util.h>
 #include <libedataserver/e-flag.h>
 #include <libedataserver/e-proxy.h>
 #include "e-util/e-util.h"
 #include "e-util/e-util-private.h"
 #include "e-util/e-mktemp.h"
-#include "e-util/e-account-utils.h"
 #include "e-util/e-dialog-utils.h"
 #include "e-util/e-alert-dialog.h"
 #include "shell/e-shell.h"
@@ -1109,6 +1114,7 @@ em_utils_selection_get_urilist (GtkSelectionData *selection_data,
 
 /**
  * em_utils_folder_is_templates:
+ * @registry: an #ESourceRegistry
  * @folder: a #CamelFolder
  *
  * Decides if @folder is a Templates folder.
@@ -1117,15 +1123,16 @@ em_utils_selection_get_urilist (GtkSelectionData *selection_data,
  **/
 
 gboolean
-em_utils_folder_is_templates (CamelFolder *folder)
+em_utils_folder_is_templates (ESourceRegistry *registry,
+                              CamelFolder *folder)
 {
 	CamelFolder *local_templates_folder;
 	CamelSession *session;
 	CamelStore *store;
-	EAccountList *account_list;
-	EIterator *iterator;
+	GList *list, *iter;
 	gchar *folder_uri;
 	gboolean is_templates = FALSE;
+	const gchar *extension_name;
 
 	g_return_val_if_fail (CAMEL_IS_FOLDER (folder), FALSE);
 
@@ -1141,24 +1148,32 @@ em_utils_folder_is_templates (CamelFolder *folder)
 
 	folder_uri = e_mail_folder_uri_from_folder (folder);
 
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
+	store = camel_folder_get_parent_store (folder);
+	session = camel_service_get_session (CAMEL_SERVICE (store));
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_COMPOSITION;
+	list = e_source_registry_list_sources (registry, extension_name);
 
-	while (!is_templates && e_iterator_is_valid (iterator)) {
-		EAccount *account;
+	for (iter = list; iter != NULL; iter = g_list_next (iter)) {
+		ESource *source = E_SOURCE (iter->data);
+		ESourceExtension *extension;
+		const gchar *templates_folder_uri;
 
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iterator);
+		extension = e_source_get_extension (source, extension_name);
 
-		if (account->templates_folder_uri != NULL)
+		templates_folder_uri =
+			e_source_mail_composition_get_templates_folder (
+			E_SOURCE_MAIL_COMPOSITION (extension));
+
+		if (templates_folder_uri != NULL)
 			is_templates = e_mail_folder_uri_equal (
-				session, folder_uri,
-				account->templates_folder_uri);
+				session, folder_uri, templates_folder_uri);
 
-		e_iterator_next (iterator);
+		if (is_templates)
+			break;
 	}
 
-	g_object_unref (iterator);
+	g_list_free (list);
 	g_free (folder_uri);
 
 	return is_templates;
@@ -1166,6 +1181,7 @@ em_utils_folder_is_templates (CamelFolder *folder)
 
 /**
  * em_utils_folder_is_drafts:
+ * @registry: an #ESourceRegistry
  * @folder: a #CamelFolder
  *
  * Decides if @folder is a Drafts folder.
@@ -1173,15 +1189,16 @@ em_utils_folder_is_templates (CamelFolder *folder)
  * Returns %TRUE if this is a Drafts folder or %FALSE otherwise.
  **/
 gboolean
-em_utils_folder_is_drafts (CamelFolder *folder)
+em_utils_folder_is_drafts (ESourceRegistry *registry,
+                           CamelFolder *folder)
 {
 	CamelFolder *local_drafts_folder;
 	CamelSession *session;
 	CamelStore *store;
-	EAccountList *account_list;
-	EIterator *iterator;
+	GList *list, *iter;
 	gchar *folder_uri;
 	gboolean is_drafts = FALSE;
+	const gchar *extension_name;
 
 	g_return_val_if_fail (CAMEL_IS_FOLDER (folder), FALSE);
 
@@ -1197,24 +1214,32 @@ em_utils_folder_is_drafts (CamelFolder *folder)
 
 	folder_uri = e_mail_folder_uri_from_folder (folder);
 
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
+	store = camel_folder_get_parent_store (folder);
+	session = camel_service_get_session (CAMEL_SERVICE (store));
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_COMPOSITION;
+	list = e_source_registry_list_sources (registry, extension_name);
 
-	while (!is_drafts && e_iterator_is_valid (iterator)) {
-		EAccount *account;
+	for (iter = list; iter != NULL; iter = g_list_next (iter)) {
+		ESource *source = E_SOURCE (iter->data);
+		ESourceExtension *extension;
+		const gchar *drafts_folder_uri;
 
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iterator);
+		extension = e_source_get_extension (source, extension_name);
 
-		if (account->drafts_folder_uri != NULL)
+		drafts_folder_uri =
+			e_source_mail_composition_get_drafts_folder (
+			E_SOURCE_MAIL_COMPOSITION (extension));
+
+		if (drafts_folder_uri != NULL)
 			is_drafts = e_mail_folder_uri_equal (
-				session, folder_uri,
-				account->drafts_folder_uri);
+				session, folder_uri, drafts_folder_uri);
 
-		e_iterator_next (iterator);
+		if (is_drafts)
+			break;
 	}
 
-	g_object_unref (iterator);
+	g_list_free (list);
 	g_free (folder_uri);
 
 	return is_drafts;
@@ -1222,6 +1247,7 @@ em_utils_folder_is_drafts (CamelFolder *folder)
 
 /**
  * em_utils_folder_is_sent:
+ * @registry: an #ESourceRegistry
  * @folder: a #CamelFolder
  *
  * Decides if @folder is a Sent folder.
@@ -1229,15 +1255,16 @@ em_utils_folder_is_drafts (CamelFolder *folder)
  * Returns %TRUE if this is a Sent folder or %FALSE otherwise.
  **/
 gboolean
-em_utils_folder_is_sent (CamelFolder *folder)
+em_utils_folder_is_sent (ESourceRegistry *registry,
+                         CamelFolder *folder)
 {
 	CamelFolder *local_sent_folder;
 	CamelSession *session;
 	CamelStore *store;
-	EAccountList *account_list;
-	EIterator *iterator;
+	GList *list, *iter;
 	gchar *folder_uri;
 	gboolean is_sent = FALSE;
+	const gchar *extension_name;
 
 	g_return_val_if_fail (CAMEL_IS_FOLDER (folder), FALSE);
 
@@ -1253,24 +1280,32 @@ em_utils_folder_is_sent (CamelFolder *folder)
 
 	folder_uri = e_mail_folder_uri_from_folder (folder);
 
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
+	store = camel_folder_get_parent_store (folder);
+	session = camel_service_get_session (CAMEL_SERVICE (store));
 
-	while (!is_sent && e_iterator_is_valid (iterator)) {
-		EAccount *account;
+	extension_name = E_SOURCE_EXTENSION_MAIL_SUBMISSION;
+	list = e_source_registry_list_sources (registry, extension_name);
 
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iterator);
+	for (iter = list; iter != NULL; iter = g_list_next (iter)) {
+		ESource *source = E_SOURCE (iter->data);
+		ESourceExtension *extension;
+		const gchar *sent_folder_uri;
 
-		if (account->sent_folder_uri != NULL)
+		extension = e_source_get_extension (source, extension_name);
+
+		sent_folder_uri =
+			e_source_mail_submission_get_sent_folder (
+			E_SOURCE_MAIL_SUBMISSION (extension));
+
+		if (sent_folder_uri != NULL)
 			is_sent = e_mail_folder_uri_equal (
-				session, folder_uri,
-				account->sent_folder_uri);
+				session, folder_uri, sent_folder_uri);
 
-		e_iterator_next (iterator);
+		if (is_sent)
+			break;
 	}
 
-	g_object_unref (iterator);
+	g_list_free (list);
 	g_free (folder_uri);
 
 	return is_sent;
@@ -1278,6 +1313,7 @@ em_utils_folder_is_sent (CamelFolder *folder)
 
 /**
  * em_utils_folder_is_outbox:
+ * @registry: an #ESourceRegistry
  * @folder: a #CamelFolder
  *
  * Decides if @folder is an Outbox folder.
@@ -1285,7 +1321,8 @@ em_utils_folder_is_sent (CamelFolder *folder)
  * Returns %TRUE if this is an Outbox folder or %FALSE otherwise.
  **/
 gboolean
-em_utils_folder_is_outbox (CamelFolder *folder)
+em_utils_folder_is_outbox (ESourceRegistry *registry,
+                           CamelFolder *folder)
 {
 	CamelStore *store;
 	CamelSession *session;
@@ -1410,10 +1447,13 @@ void
 em_utils_empty_trash (GtkWidget *parent,
                       EMailSession *session)
 {
+	ESourceRegistry *registry;
 	GList *list, *link;
 
 	g_return_if_fail (E_IS_MAIL_SESSION (session));
 
+	registry = e_mail_session_get_registry (session);
+
 	if (!em_utils_prompt_user ((GtkWindow *) parent,
 		"prompt-on-empty-trash",
 		"mail:ask-empty-trash", NULL))
@@ -1422,9 +1462,9 @@ em_utils_empty_trash (GtkWidget *parent,
 	list = camel_session_list_services (CAMEL_SESSION (session));
 
 	for (link = list; link != NULL; link = g_list_next (link)) {
-		EAccount *account;
 		CamelProvider *provider;
 		CamelService *service;
+		ESource *source;
 		const gchar *uid;
 
 		service = CAMEL_SERVICE (link->data);
@@ -1437,14 +1477,10 @@ em_utils_empty_trash (GtkWidget *parent,
 		if ((provider->flags & CAMEL_PROVIDER_IS_STORAGE) == 0)
 			continue;
 
-		account = e_get_account_by_uid (uid);
+		source = e_source_registry_lookup_by_uid (registry, uid);
 
-		/* The local store has no corresponding
-		 * EAccount, so skip the enabled check. */
-		if (account != NULL) {
-			if (!account->enabled)
-				continue;
-		}
+		if (source != NULL && !e_source_get_enabled (source))
+			continue;
 
 		mail_empty_trash (CAMEL_STORE (service));
 	}
@@ -1454,19 +1490,6 @@ em_utils_empty_trash (GtkWidget *parent,
 
 /* ********************************************************************** */
 
-/* runs sync, in main thread */
-static gpointer
-emu_addr_setup (gpointer user_data)
-{
-	GError *err = NULL;
-	ESourceList **psource_list = user_data;
-
-	if (!e_book_client_get_sources (psource_list, &err))
-		g_error_free (err);
-
-	return NULL;
-}
-
 static void
 emu_addr_cancel_stop (gpointer data)
 {
@@ -1582,8 +1605,6 @@ static GHashTable *emu_books_hash = NULL;
  * broken books, which failed to open for some reason */
 static GHashTable *emu_broken_books_hash = NULL;
 
-static ESourceList *emu_books_source_list = NULL;
-
 static gboolean
 search_address_in_addressbooks (const gchar *address,
                                 gboolean local_only,
@@ -1591,24 +1612,25 @@ search_address_in_addressbooks (const gchar *address,
                                                            gpointer user_data),
                                 gpointer user_data)
 {
+	EShell *shell;
+	ESourceRegistry *registry;
+	GList *list, *link;
+	GList *addr_sources = NULL;
 	gboolean found = FALSE, stop = FALSE, found_any = FALSE;
 	gchar *lowercase_addr;
 	gpointer ptr;
 	EBookQuery *book_query;
 	gchar *query;
-	GSList *s, *g, *addr_sources = NULL;
 	GHook *hook_cancellable;
 	GCancellable *cancellable;
+	const gchar *extension_name;
 
 	if (!address || !*address)
 		return FALSE;
 
 	G_LOCK (contact_cache);
 
-	if (!emu_books_source_list) {
-		mail_call_main (
-			MAIL_CALL_p_p, (MailMainFunc)
-			emu_addr_setup, &emu_books_source_list);
+	if (emu_books_hash == NULL) {
 		emu_books_hash = g_hash_table_new_full (
 			g_str_hash, g_str_equal, g_free, g_object_unref);
 		emu_broken_books_hash = g_hash_table_new_full (
@@ -1617,11 +1639,6 @@ search_address_in_addressbooks (const gchar *address,
 			g_str_hash, g_str_equal, g_free, NULL);
 	}
 
-	if (!emu_books_source_list) {
-		G_UNLOCK (contact_cache);
-		return FALSE;
-	}
-
 	lowercase_addr = g_utf8_strdown (address, -1);
 	ptr = g_hash_table_lookup (contact_cache, lowercase_addr);
 	if (ptr != NULL && (check_contact == NULL || ptr == NOT_FOUND_BOOK)) {
@@ -1634,33 +1651,50 @@ search_address_in_addressbooks (const gchar *address,
 	query = e_book_query_to_string (book_query);
 	e_book_query_unref (book_query);
 
-	for (g = e_source_list_peek_groups (emu_books_source_list);
-			g; g = g_slist_next (g)) {
-		ESourceGroup *group = g->data;
+	/* FIXME: Pass the ESourceRegistry in. */
+	shell = e_shell_get_default ();
+	registry = e_shell_get_registry (shell);
+	extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;
+	list = e_source_registry_list_sources (registry, extension_name);
 
-		if (!group)
-			continue;
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceExtension *extension;
+		const gchar *backend_name;
+		gboolean source_is_local;
+		gboolean autocomplete;
+
+		extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;
+		extension = e_source_get_extension (source, extension_name);
+
+		backend_name = e_source_backend_get_backend_name (
+			E_SOURCE_BACKEND (extension));
+
+		source_is_local = (g_strcmp0 (backend_name, "local") == 0);
 
-		if (local_only && !(e_source_group_peek_base_uri (group) &&
-			g_str_has_prefix (
-			e_source_group_peek_base_uri (group), "local:")))
+		if (local_only && !source_is_local)
 			continue;
 
-		for (s = e_source_group_peek_sources (group); s; s = g_slist_next (s)) {
-			ESource *source = s->data;
-			const gchar *completion = e_source_get_property (source, "completion");
+		extension_name = E_SOURCE_EXTENSION_AUTOCOMPLETE;
+		extension = e_source_get_extension (source, extension_name);
 
-			if (completion && g_ascii_strcasecmp (completion, "true") == 0) {
-				addr_sources = g_slist_prepend (addr_sources, g_object_ref (source));
-			}
-		}
+		autocomplete = e_source_autocomplete_get_include_me (
+			E_SOURCE_AUTOCOMPLETE (extension));
+
+		if (!autocomplete)
+			continue;
+
+		addr_sources = g_list_prepend (
+			addr_sources, g_object_ref (source));
 	}
 
+	g_list_free (list);
+
 	cancellable = g_cancellable_new ();
 	hook_cancellable = mail_cancel_hook_add (emu_addr_cancel_cancellable, cancellable);
 
-	for (s = addr_sources; !stop && !found && s; s = g_slist_next (s)) {
-		ESource *source = s->data;
+	for (link = addr_sources; !stop && !found && link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
 		GSList *contacts;
 		EBookClient *book_client = NULL;
 		GHook *hook_stop;
@@ -1669,8 +1703,8 @@ search_address_in_addressbooks (const gchar *address,
 		const gchar *uid;
 		GError *err = NULL;
 
-		uid = e_source_peek_uid (source);
-		display_name = e_source_peek_name (source);
+		uid = e_source_get_uid (source);
+		display_name = e_source_get_display_name (source);
 
 		/* failed to load this book last time, skip it now */
 		if (g_hash_table_lookup (emu_broken_books_hash, uid) != NULL) {
@@ -1788,7 +1822,7 @@ search_address_in_addressbooks (const gchar *address,
 	mail_cancel_hook_remove (hook_cancellable);
 	g_object_unref (cancellable);
 
-	g_slist_free_full (addr_sources, (GDestroyNotify) g_object_unref);
+	g_list_free_full (addr_sources, (GDestroyNotify) g_object_unref);
 
 	g_free (query);
 
@@ -2005,11 +2039,6 @@ emu_free_mail_cache (void)
 		emu_broken_books_hash = NULL;
 	}
 
-	if (emu_books_source_list) {
-		g_object_unref (emu_books_source_list);
-		emu_books_source_list = NULL;
-	}
-
 	if (contact_cache) {
 		g_hash_table_destroy (contact_cache);
 		contact_cache = NULL;
@@ -2026,29 +2055,6 @@ emu_free_mail_cache (void)
 	G_UNLOCK (photos_cache);
 }
 
-void
-em_utils_clear_get_password_canceled_accounts_flag (void)
-{
-	EAccountList *account_list;
-	EIterator *iterator;
-
-	account_list = e_get_account_list ();
-
-	for (iterator = e_list_get_iterator (E_LIST (account_list));
-	     e_iterator_is_valid (iterator);
-	     e_iterator_next (iterator)) {
-		EAccount *account = (EAccount *) e_iterator_get (iterator);
-
-		if (account && account->source)
-			account->source->get_password_canceled = FALSE;
-
-		if (account && account->transport)
-			account->transport->get_password_canceled = FALSE;
-	}
-
-	g_object_unref (iterator);
-}
-
 gchar *
 em_utils_url_unescape_amp (const gchar *url)
 {
@@ -2080,128 +2086,164 @@ em_utils_url_unescape_amp (const gchar *url)
 	return buff;
 }
 
-static EAccount *
-guess_account_from_folder (CamelFolder *folder)
+static ESource *
+guess_mail_account_from_folder (ESourceRegistry *registry,
+                                CamelFolder *folder)
 {
+	ESource *source;
 	CamelStore *store;
 	const gchar *uid;
 
+	/* Lookup an ESource by CamelStore UID. */
 	store = camel_folder_get_parent_store (folder);
 	uid = camel_service_get_uid (CAMEL_SERVICE (store));
+	source = e_source_registry_lookup_by_uid (registry, uid);
 
-	return e_get_account_by_uid (uid);
+	/* If we found an ESource, make sure it's a mail account. */
+	if (source != NULL) {
+		const gchar *extension_name;
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+		if (!e_source_has_extension (source, extension_name))
+			source = NULL;
+	}
+
+	return source;
 }
 
-static EAccount *
-guess_account_from_message (CamelMimeMessage *message)
+static ESource *
+guess_mail_account_from_message (ESourceRegistry *registry,
+                                 CamelMimeMessage *message)
 {
+	ESource *source = NULL;
 	const gchar *uid;
 
+	/* Lookup an ESource by 'X-Evolution-Source' header. */
 	uid = camel_mime_message_get_source (message);
+	if (uid != NULL)
+		source = e_source_registry_lookup_by_uid (registry, uid);
+
+	/* If we found an ESource, make sure it's a mail account. */
+	if (source != NULL) {
+		const gchar *extension_name;
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+		if (!e_source_has_extension (source, extension_name))
+			source = NULL;
+	}
 
-	return (uid != NULL) ? e_get_account_by_uid (uid) : NULL;
+	return source;
 }
 
-GHashTable *
-em_utils_generate_account_hash (void)
+ESource *
+em_utils_guess_mail_account (ESourceRegistry *registry,
+                             CamelMimeMessage *message,
+                             CamelFolder *folder)
 {
-	GHashTable *account_hash;
-	EAccount *account, *def;
-	EAccountList *account_list;
-	EIterator *iterator;
-
-	account_list = e_get_account_list ();
-	account_hash = g_hash_table_new (camel_strcase_hash, camel_strcase_equal);
-
-	def = e_get_default_account ();
-
-	iterator = e_list_get_iterator (E_LIST (account_list));
-
-	while (e_iterator_is_valid (iterator)) {
-		account = (EAccount *) e_iterator_get (iterator);
-
-		if (account->id->address) {
-			EAccount *acnt;
-
-			/* Accounts with identical email addresses that are
-			 * enabled take precedence over the accounts that
-			 * aren't. If all accounts with matching email
-			 * addresses are disabled, then the first one in
-			 * the list takes precedence. The default account
-			 * always takes precedence no matter what. */
-			acnt = g_hash_table_lookup (
-				account_hash, account->id->address);
-			if (acnt && acnt != def && !acnt->enabled && account->enabled) {
-				g_hash_table_remove (
-					account_hash, acnt->id->address);
-				acnt = NULL;
-			}
+	ESource *source = NULL;
+	const gchar *newsgroups;
 
-			if (!acnt)
-				g_hash_table_insert (
-					account_hash, (gchar *)
-					account->id->address,
-					(gpointer) account);
-		}
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
+	g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
 
-		e_iterator_next (iterator);
-	}
+	if (folder != NULL)
+		g_return_val_if_fail (CAMEL_IS_FOLDER (folder), NULL);
 
-	g_object_unref (iterator);
+	/* check for newsgroup header */
+	newsgroups = camel_medium_get_header (
+		CAMEL_MEDIUM (message), "Newsgroups");
+	if (folder != NULL && newsgroups != NULL)
+		source = guess_mail_account_from_folder (registry, folder);
 
-	/* The default account has to be there if none
-	 * of the enabled accounts are present. */
-	if (g_hash_table_size (account_hash) == 0 && def && def->id->address)
-		g_hash_table_insert (
-			account_hash, (gchar *)
-			def->id->address,
-			(gpointer) def);
+	/* check for source folder */
+	if (source == NULL && folder != NULL)
+		source = guess_mail_account_from_folder (registry, folder);
 
-	return account_hash;
+	/* then message source */
+	if (source == NULL)
+		source = guess_mail_account_from_message (registry, message);
+
+	return source;
 }
 
-EAccount *
-em_utils_guess_account (CamelMimeMessage *message,
-                        CamelFolder *folder)
+ESource *
+em_utils_guess_mail_identity (ESourceRegistry *registry,
+                              CamelMimeMessage *message,
+                              CamelFolder *folder)
 {
-	EAccount *account = NULL;
+	ESource *source;
+	ESourceExtension *extension;
+	const gchar *extension_name;
 
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
 	g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
 
 	if (folder != NULL)
 		g_return_val_if_fail (CAMEL_IS_FOLDER (folder), NULL);
 
-	/* check for newsgroup header */
-	if (folder != NULL
-	    && camel_medium_get_header (CAMEL_MEDIUM (message), "Newsgroups"))
-		account = guess_account_from_folder (folder);
+	source = em_utils_guess_mail_account (registry, message, folder);
 
-	/* check for source folder */
-	if (account == NULL && folder != NULL)
-		account = guess_account_from_folder (folder);
+	if (source == NULL)
+		return NULL;
 
-	/* then message source */
-	if (account == NULL)
-		account = guess_account_from_message (message);
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	extension = e_source_get_extension (source, extension_name);
+
+	return e_source_mail_account_get_identity (
+		E_SOURCE_MAIL_ACCOUNT (extension));
+}
+
+static gboolean
+mail_account_in_recipients (ESourceRegistry *registry,
+                            ESource *source,
+                            GHashTable *recipients)
+{
+	ESourceExtension *extension;
+	const gchar *extension_name;
+	const gchar *address;
+
+	/* Disregard disabled mail accounts. */
+	if (!e_source_get_enabled (source))
+		return FALSE;
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	extension = e_source_get_extension (source, extension_name);
 
-	return account;
+	source = e_source_mail_account_get_identity (
+		E_SOURCE_MAIL_ACCOUNT (extension));
+
+	if (source == NULL)
+		return FALSE;
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;
+	extension = e_source_get_extension (source, extension_name);
+
+	address = e_source_mail_identity_get_address (
+		E_SOURCE_MAIL_IDENTITY (extension));
+
+	if (address == NULL)
+		return FALSE;
+
+	return (g_hash_table_lookup (recipients, address) != NULL);
 }
 
-EAccount *
-em_utils_guess_account_with_recipients (CamelMimeMessage *message,
-                                        CamelFolder *folder)
+ESource *
+em_utils_guess_mail_account_with_recipients (ESourceRegistry *registry,
+                                             CamelMimeMessage *message,
+                                             CamelFolder *folder)
 {
-	EAccount *account = NULL;
-	EAccountList *account_list;
+	ESource *source = NULL;
 	GHashTable *recipients;
-	EIterator *iterator;
 	CamelInternetAddress *addr;
+	GList *list, *iter;
+	const gchar *extension_name;
 	const gchar *type;
 	const gchar *key;
 
 	/* This policy is subject to debate and tweaking,
 	 * but please also document the rational here. */
 
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
 	g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
 
 	/* Build a set of email addresses in which to test for membership.
@@ -2231,53 +2273,128 @@ em_utils_guess_account_with_recipients (CamelMimeMessage *message,
 	}
 
 	/* First Preference: We were given a folder that maps to an
-	 * enabled account, and that account's email address appears
+	 * enabled mail account, and that account's address appears
 	 * in the list of To: or Cc: recipients. */
 
 	if (folder != NULL)
-		account = guess_account_from_folder (folder);
-
-	if (account == NULL || !account->enabled)
-		goto second_preference;
+		source = guess_mail_account_from_folder (registry, folder);
 
-	if ((key = account->id->address) == NULL)
+	if (source == NULL)
 		goto second_preference;
 
-	if (g_hash_table_lookup (recipients, key) != NULL)
+	if (mail_account_in_recipients (registry, source, recipients))
 		goto exit;
 
 second_preference:
 
-	/* Second Preference: Choose any enabled account whose email
+	/* Second Preference: Choose any enabled mail account whose
 	 * address appears in the list to To: or Cc: recipients. */
 
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
+	source = NULL;
 
-	while (e_iterator_is_valid (iterator)) {
-		account = (EAccount *) e_iterator_get (iterator);
-		e_iterator_next (iterator);
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	list = e_source_registry_list_sources (registry, extension_name);
 
-		if (account == NULL || !account->enabled)
-			continue;
-
-		if ((key = account->id->address) == NULL)
-			continue;
+	for (iter = list; iter != NULL; iter = g_list_next (iter)) {
+		ESource *temp = E_SOURCE (iter->data);
 
-		if (g_hash_table_lookup (recipients, key) != NULL) {
-			g_object_unref (iterator);
-			goto exit;
+		if (mail_account_in_recipients (registry, temp, recipients)) {
+			source = temp;
+			break;
 		}
 	}
-	g_object_unref (iterator);
 
-	/* Last Preference: Defer to em_utils_guess_account(). */
-	account = em_utils_guess_account (message, folder);
+	g_list_free (list);
+
+	if (source != NULL)
+		goto exit;
+
+	/* Last Preference: Defer to em_utils_guess_mail_account(). */
+	source = em_utils_guess_mail_account (registry, message, folder);
 
 exit:
 	g_hash_table_destroy (recipients);
 
-	return account;
+	return source;
+}
+
+ESource *
+em_utils_guess_mail_identity_with_recipients (ESourceRegistry *registry,
+                                              CamelMimeMessage *message,
+                                              CamelFolder *folder)
+{
+	ESource *source;
+	ESourceExtension *extension;
+	const gchar *extension_name;
+
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
+	g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), NULL);
+
+	source = em_utils_guess_mail_account_with_recipients (
+		registry, message, folder);
+
+	if (source == NULL)
+		return NULL;
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	extension = e_source_get_extension (source, extension_name);
+
+	return e_source_mail_account_get_identity (
+		E_SOURCE_MAIL_ACCOUNT (extension));
+}
+
+gboolean
+em_utils_mail_identity_is_enabled (ESourceRegistry *registry,
+                                   ESource *mail_identity_source)
+{
+	GList *list, *link;
+	const gchar *extension_name;
+	gboolean found_account = FALSE;
+	gboolean found_enabled_account = FALSE;
+
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), FALSE);
+
+	if (mail_identity_source == NULL)
+		return FALSE;
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;
+	if (!e_source_has_extension (mail_identity_source, extension_name))
+		return FALSE;
+
+	/* If any enabled account references the given identity, then
+	 * the identity is enabled.  If no accounts reference the given
+	 * identity, then the identity is assumed to be enabled.  So in
+	 * other words, an identity is disabled if and only if it is
+	 * referenced exclusively by disabled accounts. */
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceMailAccount *extension;
+		gboolean enabled;
+
+		extension = e_source_get_extension (source, extension_name);
+
+		enabled = e_source_get_enabled (source);
+		source = e_source_mail_account_get_identity (extension);
+
+		if (source == NULL)
+			continue;
+
+		if (e_source_equal (source, mail_identity_source)) {
+			found_account = TRUE;
+			found_enabled_account |= enabled;
+		}
+
+		if (found_enabled_account)
+			break;
+	}
+
+	g_list_free (list);
+
+	return found_enabled_account || !found_account;
 }
 
 void
diff --git a/mail/em-utils.h b/mail/em-utils.h
index f3879ae..58806b4 100644
--- a/mail/em-utils.h
+++ b/mail/em-utils.h
@@ -27,7 +27,6 @@
 #include <sys/types.h>
 #include <camel/camel.h>
 #include <libedataserver/e-proxy.h>
-#include <libedataserver/e-account.h>
 
 #include <mail/e-mail-reader.h>
 #include <mail/e-mail-session.h>
@@ -64,10 +63,14 @@ void em_utils_selection_get_uidlist (GtkSelectionData *data, EMailSession *sessi
 void em_utils_selection_set_urilist (GtkSelectionData *data, CamelFolder *folder, GPtrArray *uids);
 void em_utils_selection_get_urilist (GtkSelectionData *data, CamelFolder *folder);
 
-gboolean	em_utils_folder_is_drafts	(CamelFolder *folder);
-gboolean	em_utils_folder_is_templates	(CamelFolder *folder);
-gboolean	em_utils_folder_is_sent		(CamelFolder *folder);
-gboolean	em_utils_folder_is_outbox	(CamelFolder *folder);
+gboolean	em_utils_folder_is_drafts	(ESourceRegistry *registry,
+						 CamelFolder *folder);
+gboolean	em_utils_folder_is_templates	(ESourceRegistry *registry,
+						 CamelFolder *folder);
+gboolean	em_utils_folder_is_sent		(ESourceRegistry *registry,
+						 CamelFolder *folder);
+gboolean	em_utils_folder_is_outbox	(ESourceRegistry *registry,
+						 CamelFolder *folder);
 
 EProxy *	em_utils_get_proxy		(void);
 
@@ -81,18 +84,26 @@ void		em_utils_empty_trash		(GtkWidget *parent,
 gboolean em_utils_in_addressbook (CamelInternetAddress *addr, gboolean local_only);
 CamelMimePart *em_utils_contact_photo (CamelInternetAddress *addr, gboolean local);
 
-/* clears flag 'get_password_canceled' at every known accounts, so if needed, get_password will show dialog */
-void em_utils_clear_get_password_canceled_accounts_flag (void);
-
 /* Unescapes &amp; back to a real & in URIs */
 gchar *em_utils_url_unescape_amp (const gchar *url);
 
-GHashTable *	em_utils_generate_account_hash	(void);
-EAccount *	em_utils_guess_account		(CamelMimeMessage *message,
+ESource *	em_utils_guess_mail_account	(ESourceRegistry *registry,
+						 CamelMimeMessage *message,
+						 CamelFolder *folder);
+ESource *	em_utils_guess_mail_account_with_recipients
+						(ESourceRegistry *registry,
+						 CamelMimeMessage *message,
+						 CamelFolder *folder);
+ESource *	em_utils_guess_mail_identity	(ESourceRegistry *registry,
+						 CamelMimeMessage *message,
 						 CamelFolder *folder);
-EAccount *	em_utils_guess_account_with_recipients
-						(CamelMimeMessage *message,
+ESource *	em_utils_guess_mail_identity_with_recipients
+						(ESourceRegistry *registry,
+						 CamelMimeMessage *message,
 						 CamelFolder *folder);
+gboolean	em_utils_mail_identity_is_enabled
+						(ESourceRegistry *registry,
+						 ESource *mail_identity_source);
 
 void emu_remove_from_mail_cache (const GSList *addresses);
 void emu_remove_from_mail_cache_1 (const gchar *address);
diff --git a/mail/mail-config.c b/mail/mail-config.c
index fc003ac..9becb10 100644
--- a/mail/mail-config.c
+++ b/mail/mail-config.c
@@ -32,8 +32,6 @@
 #include <libedataserver/e-data-server-util.h>
 
 #include <e-util/e-util.h>
-#include "e-util/e-account-utils.h"
-#include "e-util/e-signature-utils.h"
 
 #include "e-mail-folder-utils.h"
 #include "mail-config.h"
@@ -138,24 +136,6 @@ settings_int_value_changed (GSettings *settings,
 	*save_location = g_settings_get_int (settings, key);
 }
 
-void
-mail_config_write (void)
-{
-	EAccountList *account_list;
-	ESignatureList *signature_list;
-
-	if (!config)
-		return;
-
-	account_list = e_get_account_list ();
-	signature_list = e_get_signature_list ();
-
-	e_account_list_save (account_list);
-	e_signature_list_save (signature_list);
-
-	g_settings_sync ();
-}
-
 gint
 mail_config_get_address_count (void)
 {
diff --git a/mail/mail-config.h b/mail/mail-config.h
index 2903809..c66630d 100644
--- a/mail/mail-config.h
+++ b/mail/mail-config.h
@@ -29,7 +29,6 @@ G_BEGIN_DECLS
 
 /* Configuration */
 void		mail_config_init		(EMailSession *session);
-void		mail_config_write		(void);
 
 /* General Accessor functions */
 
diff --git a/mail/mail-config.ui b/mail/mail-config.ui
index e95a812..1db8c2f 100644
--- a/mail/mail-config.ui
+++ b/mail/mail-config.ui
@@ -845,56 +845,6 @@ for display purposes only. </property>
             <property name="position">0</property>
           </packing>
         </child>
-        <child>
-          <object class="GtkVBox" id="signature-preview-section">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="signature-preview-header">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="xalign">0</property>
-                <property name="label" translatable="yes">Preview</property>
-                <attributes>
-                  <attribute name="weight" value="bold"/>
-                </attributes>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkAlignment" id="signature-preview-alignment">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="left_padding">12</property>
-                <child>
-                  <object class="GtkScrolledWindow" id="signature-preview-scrolled-window">
-                    <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="shadow_type">in</property>
-                    <child>
-                      <placeholder/>
-                    </child>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
       </object>
       <packing>
         <property name="position">1</property>
diff --git a/mail/mail-folder-cache.c b/mail/mail-folder-cache.c
index 722016c..9176a39 100644
--- a/mail/mail-folder-cache.c
+++ b/mail/mail-folder-cache.c
@@ -343,11 +343,16 @@ update_1folder (MailFolderCache *cache,
                 const gchar *msg_subject,
                 CamelFolderInfo *info)
 {
+	EMailSession *session;
+	ESourceRegistry *registry;
 	struct _folder_update *up;
 	CamelFolder *folder;
 	gint unread = -1;
 	gint deleted;
 
+	session = mail_folder_cache_get_session (cache);
+	registry = e_mail_session_get_registry (session);
+
 	folder = mfi->folder;
 	if (folder) {
 		gboolean folder_is_sent;
@@ -356,9 +361,9 @@ update_1folder (MailFolderCache *cache,
 		gboolean folder_is_vtrash;
 		gboolean special_case;
 
-		folder_is_sent = em_utils_folder_is_sent (folder);
-		folder_is_drafts = em_utils_folder_is_drafts (folder);
-		folder_is_outbox = em_utils_folder_is_outbox (folder);
+		folder_is_sent = em_utils_folder_is_sent (registry, folder);
+		folder_is_drafts = em_utils_folder_is_drafts (registry, folder);
+		folder_is_outbox = em_utils_folder_is_outbox (registry, folder);
 		folder_is_vtrash = CAMEL_IS_VTRASH_FOLDER (folder);
 
 		special_case =
diff --git a/mail/mail-ops.c b/mail/mail-ops.c
index 27b48c2..1408174 100644
--- a/mail/mail-ops.c
+++ b/mail/mail-ops.c
@@ -35,7 +35,10 @@
 #include <glib/gi18n.h>
 
 #include <libedataserver/e-data-server-util.h>
-#include "e-util/e-account-utils.h"
+#include <libedataserver/e-source-mail-account.h>
+#include <libedataserver/e-source-mail-submission.h>
+
+#include <shell/e-shell.h>
 
 #include "em-filter-rule.h"
 #include "em-utils.h"
@@ -73,7 +76,6 @@ struct _fetch_mail_msg {
 	CamelStore *store;
 	GCancellable *cancellable;	/* we have our own cancellation
 					 * struct, the other should be empty */
-	gint keep;		/* keep on server? */
 
 	void (*done)(gpointer data);
 	gpointer data;
@@ -211,12 +213,19 @@ fetch_mail_exec (struct _fetch_mail_msg *m,
                  GError **error)
 {
 	struct _filter_mail_msg *fm = (struct _filter_mail_msg *) m;
+	GObjectClass *class;
 	CamelFolder *folder = NULL;
 	CamelService *service;
 	CamelSession *session;
+	CamelSettings *settings;
+	CamelUIDCache *cache = NULL;
 	CamelURL *url;
+	gboolean keep = FALSE;
+	gboolean delete_fetched;
 	gboolean is_local_delivery;
+	const gchar *data_dir;
 	const gchar *uid;
+	gchar *cachename;
 	gint i;
 
 	service = CAMEL_SERVICE (m->store);
@@ -228,6 +237,19 @@ fetch_mail_exec (struct _fetch_mail_msg *m,
 		goto exit;
 	g_object_ref (fm->destination);
 
+	service = CAMEL_SERVICE (m->store);
+	uid = camel_service_get_uid (service);
+	settings = camel_service_get_settings (service);
+	data_dir = camel_service_get_user_data_dir (service);
+
+	/* XXX This is a POP3-specific setting. */
+	class = G_OBJECT_GET_CLASS (settings);
+	if (g_object_class_find_property (class, "keep-on-server") != NULL)
+		g_object_get (settings, "keep-on-server", &keep, NULL);
+
+	/* Just for readability. */
+	delete_fetched = !keep;
+
 	url = camel_service_new_camel_url (service);
 	is_local_delivery = em_utils_is_local_delivery_mbox_file (url);
 
@@ -254,8 +276,6 @@ fetch_mail_exec (struct _fetch_mail_msg *m,
 		g_free (path);
 		g_free (url_string);
 	} else {
-		uid = camel_service_get_uid (service);
-
 		folder = fm->source_folder =
 			e_mail_session_get_inbox_sync (
 				fm->session, uid, cancellable, error);
@@ -263,78 +283,72 @@ fetch_mail_exec (struct _fetch_mail_msg *m,
 
 	camel_url_free (url);
 
-	if (folder != NULL) {
-		/* This handles 'keep on server' stuff, if we have any new
-		 * uid's to copy across, we need to copy them to a new array
-		 * 'cause of the way fetch_mail_free works. */
-		CamelUIDCache *cache = NULL;
-		CamelStore *parent_store;
-		CamelService *service;
-		const gchar *data_dir;
-		gchar *cachename;
-
-		parent_store = camel_folder_get_parent_store (folder);
+	if (folder == NULL)
+		goto exit;
 
-		service = CAMEL_SERVICE (parent_store);
-		data_dir = camel_service_get_user_data_dir (service);
+	/* This handles 'keep on server' stuff, if we have any new
+	 * uid's to copy across, we need to copy them to a new array
+	 * 'cause of the way fetch_mail_free works. */
 
-		cachename = g_build_filename (data_dir, "uid-cache", NULL);
-		cache = camel_uid_cache_new (cachename);
-		g_free (cachename);
+	cachename = g_build_filename (data_dir, "uid-cache", NULL);
+	cache = camel_uid_cache_new (cachename);
+	g_free (cachename);
 
-		if (cache) {
-			GPtrArray *folder_uids, *cache_uids, *uids;
+	if (cache) {
+		GPtrArray *folder_uids, *cache_uids, *uids;
 
-			folder_uids = camel_folder_get_uids (folder);
-			cache_uids = camel_uid_cache_get_new_uids (cache, folder_uids);
-			if (cache_uids) {
-				/* need to copy this, sigh */
-				fm->source_uids = uids = g_ptr_array_new ();
-				g_ptr_array_set_size (uids, cache_uids->len);
-				for (i = 0; i < cache_uids->len; i++)
-					uids->pdata[i] = g_strdup (cache_uids->pdata[i]);
-				camel_uid_cache_free_uids (cache_uids);
+		folder_uids = camel_folder_get_uids (folder);
+		cache_uids = camel_uid_cache_get_new_uids (cache, folder_uids);
+		if (cache_uids) {
+			/* need to copy this, sigh */
+			fm->source_uids = uids = g_ptr_array_new ();
+			g_ptr_array_set_size (uids, cache_uids->len);
+			for (i = 0; i < cache_uids->len; i++)
+				uids->pdata[i] = g_strdup (cache_uids->pdata[i]);
+			camel_uid_cache_free_uids (cache_uids);
 
-				fm->cache = cache;
-				em_filter_folder_element_exec (fm, cancellable, error);
+			fm->cache = cache;
 
-				/* need to uncancel so writes/etc. don't fail */
-				if (g_cancellable_is_cancelled (m->cancellable))
-					g_cancellable_reset (m->cancellable);
+			/* FIXME Should return a success/failure flag. */
+			em_filter_folder_element_exec (fm, cancellable, error);
 
-				/* save the cache of uids that we've just downloaded */
-				camel_uid_cache_save (cache);
-			}
+			/* need to uncancel so writes/etc. don't fail */
+			if (g_cancellable_is_cancelled (m->cancellable))
+				g_cancellable_reset (m->cancellable);
 
-			if (fm->delete && (!error || !*error)) {
-				/* not keep on server - just delete all
-				 * the actual messages on the server */
-				for (i = 0; i < folder_uids->len; i++) {
-					camel_folder_delete_message (
-						folder, folder_uids->pdata[i]);
-				}
-			}
+			/* save the cache of uids that we've just downloaded */
+			camel_uid_cache_save (cache);
+		}
 
-			if ((fm->delete || cache_uids) && (!error || !*error)) {
-				/* expunge messages (downloaded so far) */
-				/* FIXME Not passing a GCancellable or GError here. */
-				camel_folder_synchronize_sync (
-					folder, fm->delete, NULL, NULL);
+		if (delete_fetched && (!error || !*error)) {
+			/* not keep on server - just delete all
+			 * the actual messages on the server */
+			for (i = 0; i < folder_uids->len; i++) {
+				camel_folder_delete_message (
+					folder, folder_uids->pdata[i]);
 			}
+		}
 
-			camel_uid_cache_destroy (cache);
-			camel_folder_free_uids (folder, folder_uids);
-		} else {
-			em_filter_folder_element_exec (fm, cancellable, error);
+		if ((delete_fetched || cache_uids) && (!error || !*error)) {
+			/* expunge messages (downloaded so far) */
+			/* FIXME Not passing a GCancellable or GError here. */
+			camel_folder_synchronize_sync (
+				folder, delete_fetched, NULL, NULL);
 		}
 
-		/* we unref the source folder here since we
-		 * may now block in finalize (we try to
-		 * disconnect cleanly) */
-		g_object_unref (fm->source_folder);
-		fm->source_folder = NULL;
+		camel_uid_cache_destroy (cache);
+		camel_folder_free_uids (folder, folder_uids);
+	} else {
+		/* FIXME Should return a success/failure flag. */
+		em_filter_folder_element_exec (fm, cancellable, error);
 	}
 
+	/* we unref the source folder here since we
+	 * may now block in finalize (we try to
+	 * disconnect cleanly) */
+	g_object_unref (fm->source_folder);
+	fm->source_folder = NULL;
+
 exit:
 	/* we unref this here as it may have more work to do (syncing
 	 * folders and whatnot) before we are really done */
@@ -381,7 +395,6 @@ static MailMsgInfo fetch_mail_info = {
 /* ouch, a 'do everything' interface ... */
 void
 mail_fetch_mail (CamelStore *store,
-                 gint keep,
                  const gchar *type,
                  GCancellable *cancellable,
                  CamelFilterGetFolderFunc get_folder,
@@ -403,7 +416,6 @@ mail_fetch_mail (CamelStore *store,
 	fm = (struct _filter_mail_msg *) m;
 	fm->session = g_object_ref (session);
 	m->store = g_object_ref (store);
-	fm->delete = !keep;
 	fm->cache = NULL;
 	if (cancellable)
 		m->cancellable = g_object_ref (cancellable);
@@ -457,6 +469,44 @@ static void	report_status		(struct _send_queue_msg *m,
 					 const gchar *desc,
 					 ...);
 
+static gboolean
+get_submission_details_from_identity (EMailSession *session,
+                                      const gchar *identity_uid,
+                                      gchar **out_transport_uid,
+                                      gchar **out_sent_folder_uri)
+{
+	ESource *source;
+	ESourceRegistry *registry;
+	ESourceExtension *extension;
+	const gchar *extension_name;
+	const gchar *sent_folder_uri;
+	const gchar *transport_uid;
+
+	registry = e_mail_session_get_registry (session);
+	extension_name = E_SOURCE_EXTENSION_MAIL_SUBMISSION;
+	source = e_source_registry_lookup_by_uid (registry, identity_uid);
+
+	if (source == NULL)
+		return FALSE;
+
+	if (!e_source_has_extension (source, extension_name))
+		return FALSE;
+
+	extension = e_source_get_extension (source, extension_name);
+
+	sent_folder_uri = e_source_mail_submission_get_sent_folder (
+		E_SOURCE_MAIL_SUBMISSION (extension));
+
+	transport_uid = e_source_mail_submission_get_transport_uid (
+		E_SOURCE_MAIL_SUBMISSION (extension));
+
+	*out_transport_uid = g_strdup (transport_uid);
+
+	*out_sent_folder_uri = g_strdup (sent_folder_uri);
+
+	return TRUE;
+}
+
 /* send 1 message to a specific transport */
 static void
 mail_send_message (struct _send_queue_msg *m,
@@ -467,11 +517,11 @@ mail_send_message (struct _send_queue_msg *m,
                    GCancellable *cancellable,
                    GError **error)
 {
-	EAccount *account = NULL;
+	CamelService *service;
 	const CamelInternetAddress *iaddr;
 	CamelAddress *from, *recipients;
 	CamelMessageInfo *info = NULL;
-	CamelProvider *provider;
+	CamelProvider *provider = NULL;
 	gchar *transport_uid = NULL;
 	gchar *sent_folder_uri = NULL;
 	const gchar *resent_from, *tmp;
@@ -492,48 +542,31 @@ mail_send_message (struct _send_queue_msg *m,
 	err = g_string_new ("");
 	xev = mail_tool_remove_xevolution_headers (message);
 
-	tmp = camel_header_raw_find (&xev, "X-Evolution-Account", NULL);
+	tmp = camel_header_raw_find (&xev, "X-Evolution-Identity", NULL);
 	if (tmp != NULL) {
-		gchar *name;
-
-		name = g_strstrip (g_strdup (tmp));
-		if ((account = e_get_account_by_uid (name))
-		    /* 'old' x-evolution-account stored the name, how silly */
-		    || (account = e_get_account_by_name (name))) {
-			if (account->transport) {
-				CamelService *service;
-				gchar *transport_uid;
-
-				transport_uid = g_strconcat (
-					account->uid, "-transport", NULL);
-				service = camel_session_get_service (
-					CAMEL_SESSION (m->session),
-					transport_uid);
-				g_free (transport_uid);
-
-				if (CAMEL_IS_TRANSPORT (service))
-					transport = CAMEL_TRANSPORT (service);
-			}
+		gchar *identity_uid;
 
-			sent_folder_uri = g_strdup (account->sent_folder_uri);
-		}
-		g_free (name);
+		identity_uid = g_strstrip (g_strdup (tmp));
+		get_submission_details_from_identity (
+			m->session, identity_uid,
+			&transport_uid, &sent_folder_uri);
+		g_free (identity_uid);
 	}
 
-	if (!account) {
-		/* default back to these headers */
-		tmp = camel_header_raw_find(&xev, "X-Evolution-Transport", NULL);
-		if (tmp)
-			transport_uid = g_strstrip (g_strdup (tmp));
+	tmp = camel_header_raw_find (&xev, "X-Evolution-Transport", NULL);
+	if (transport_uid == NULL && tmp != NULL)
+		transport_uid = g_strstrip (g_strdup (tmp));
 
-		tmp = camel_header_raw_find(&xev, "X-Evolution-Fcc", NULL);
-		if (tmp)
-			sent_folder_uri = g_strstrip (g_strdup (tmp));
-	}
+	tmp = camel_header_raw_find (&xev, "X-Evolution-Fcc", NULL);
+	if (sent_folder_uri == NULL && tmp != NULL)
+		sent_folder_uri = g_strstrip (g_strdup (tmp));
 
-	if (transport != NULL) {
-		const gchar *uid;
+	service = camel_session_get_service (
+		CAMEL_SESSION (m->session), transport_uid);
+	if (service != NULL)
+		provider = camel_service_get_provider (service);
 
+	if (CAMEL_IS_TRANSPORT (service)) {
 		/* Let the dialog know the right account it is using. */
 		uid = camel_service_get_uid (CAMEL_SERVICE (transport));
 		report_status (m, CAMEL_FILTER_STATUS_ACTION, 0, uid);
@@ -560,12 +593,12 @@ mail_send_message (struct _send_queue_msg *m,
 
 	if (camel_address_length (recipients) > 0) {
 		if (!em_utils_connect_service_sync (
-			CAMEL_SERVICE (transport), cancellable, error))
+			service, cancellable, error))
 			goto exit;
 
 		if (!camel_transport_send_to_sync (
-			transport, message, from,
-			recipients, cancellable, error))
+			CAMEL_TRANSPORT (service), message,
+			from, recipients, cancellable, error))
 			goto exit;
 	}
 
@@ -616,8 +649,6 @@ mail_send_message (struct _send_queue_msg *m,
 		}
 	}
 
-	provider = camel_service_get_provider (CAMEL_SERVICE (transport));
-
 	if (provider == NULL
 	    || !(provider->flags & CAMEL_PROVIDER_DISABLE_SENT_FOLDER)) {
 		GError *local_error = NULL;
@@ -1303,9 +1334,10 @@ expunge_pop3_stores (CamelFolder *expunging,
 	CamelStore *parent_store;
 	CamelService *service;
 	CamelSession *session;
+	ESourceRegistry *registry;
 	GPtrArray *uids;
-	EAccount *account;
-	EIterator *iter;
+	GList *list, *link;
+	const gchar *extension_name;
 	gboolean success = TRUE;
 	guint ii;
 
@@ -1313,6 +1345,7 @@ expunge_pop3_stores (CamelFolder *expunging,
 
 	service = CAMEL_SERVICE (parent_store);
 	session = camel_service_get_session (service);
+	registry = e_mail_session_get_registry (E_MAIL_SESSION (session));
 
 	uids = camel_folder_get_uids (expunging);
 
@@ -1373,77 +1406,89 @@ expunge_pop3_stores (CamelFolder *expunging,
 		return TRUE;
 	}
 
-	for (iter = e_list_get_iterator ((EList *) e_get_account_list ());
-	     e_iterator_is_valid (iter); e_iterator_next (iter)) {
-		account = (EAccount *) e_iterator_get (iter);
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	list = e_source_registry_list_sources (registry, extension_name);
 
-		if (account->enabled &&
-		    account->source && account->source->url &&
-		    g_str_has_prefix (account->source->url, "pop://")) {
-			CamelFolder *folder;
-			CamelService *service;
-			CamelSettings *settings;
-			gboolean any_found = FALSE, delete_expunged = FALSE, keep_on_server = FALSE;
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceBackend *extension;
+		CamelFolder *folder;
+		CamelService *service;
+		CamelSettings *settings;
+		const gchar *backend_name;
+		const gchar *source_uid;
+		gboolean any_found = FALSE;
+		gboolean delete_expunged = FALSE;
+		gboolean keep_on_server = FALSE;
+		gboolean enabled;
 
-			service = camel_session_get_service (
-				session, account->uid);
+		source_uid = e_source_get_uid (source);
+		enabled = e_source_get_enabled (source);
 
-			if (!CAMEL_IS_STORE (service))
-				continue;
+		extension = e_source_get_extension (source, extension_name);
+		backend_name = e_source_backend_get_backend_name (extension);
 
-			settings = camel_service_get_settings (service);
-			if (!settings)
-				continue;
+		if (!enabled || g_strcmp0 (backend_name, "pop") != 0)
+			continue;
 
-			g_object_get (
-				settings,
-				"delete-expunged", &delete_expunged,
-				"keep-on-server", &keep_on_server,
-				NULL);
+		service = camel_session_get_service (
+			CAMEL_SESSION (session), source_uid);
 
-			if (!keep_on_server || !delete_expunged)
-				continue;
+		settings = camel_service_get_settings (service);
 
-			folder = e_mail_session_get_inbox_sync (
-				E_MAIL_SESSION (session),
-				account->uid, cancellable, error);
+		g_object_get (
+			settings,
+			"delete-expunged", &delete_expunged,
+			"keep-on-server", &keep_on_server,
+			NULL);
 
-			/* Abort the loop on error. */
-			if (folder == NULL) {
-				success = FALSE;
-				break;
-			}
+		if (!keep_on_server || !delete_expunged)
+			continue;
 
-			uids = camel_folder_get_uids (folder);
-			if (uids) {
-				for (ii = 0; ii < uids->len; ii++) {
-					/* ensure the ID is from this account,
-					 * as it's generated by evolution */
-					const gchar *source_uid;
-
-					source_uid = g_hash_table_lookup (
-						expunging_uids, uids->pdata[ii]);
-					if (folder_is_from_source_uid (folder, source_uid)) {
-						any_found = TRUE;
-						camel_folder_delete_message (folder, uids->pdata[ii]);
-					}
-				}
-				camel_folder_free_uids (folder, uids);
-			}
+		folder = camel_store_get_inbox_folder_sync (
+			CAMEL_STORE (service), cancellable, error);
 
-			if (any_found)
-				success = camel_folder_synchronize_sync (folder, TRUE, cancellable, error);
+		/* Abort the loop on error. */
+		if (folder == NULL) {
+			success = FALSE;
+			break;
+		}
 
+		uids = camel_folder_get_uids (folder);
+
+		if (uids == NULL) {
 			g_object_unref (folder);
+			continue;
+		}
 
-			/* Abort the loop on error. */
-			if (!success)
-				break;
+		for (ii = 0; ii < uids->len; ii++) {
+			/* ensure the ID is from this account,
+			 * as it's generated by evolution */
+			const gchar *source_uid;
+
+			source_uid = g_hash_table_lookup (
+				expunging_uids, uids->pdata[ii]);
+			if (folder_is_from_source_uid (folder, source_uid)) {
+				any_found = TRUE;
+				camel_folder_delete_message (
+					folder, uids->pdata[ii]);
+			}
 		}
+
+		camel_folder_free_uids (folder, uids);
+
+		if (any_found)
+			success = camel_folder_synchronize_sync (
+				folder, TRUE, cancellable, error);
+
+		g_object_unref (folder);
+
+		/* Abort the loop on error. */
+		if (!success)
+			break;
 	}
 
-	if (iter)
-		g_object_unref (iter);
+	g_list_free (list);
 
 	g_hash_table_destroy (expunging_uids);
 
diff --git a/mail/mail-ops.h b/mail/mail-ops.h
index b8eb184..99983b4 100644
--- a/mail/mail-ops.h
+++ b/mail/mail-ops.h
@@ -73,7 +73,6 @@ void		mail_send_queue			(EMailSession *session,
 						 gpointer data);
 
 void		mail_fetch_mail			(CamelStore *store,
-						 gint keep,
 						 const gchar *type,
 						 GCancellable *cancellable,
 						 CamelFilterGetFolderFunc get_folder,
diff --git a/mail/mail-send-recv.c b/mail/mail-send-recv.c
index f38cdb3..2b9feac 100644
--- a/mail/mail-send-recv.c
+++ b/mail/mail-send-recv.c
@@ -29,11 +29,11 @@
 
 #include <glib/gi18n.h>
 
-#include "libedataserver/e-account-list.h"
+#include <libedataserver/e-source-mail-account.h>
+#include <libedataserver/e-source-mail-submission.h>
 
-#include "shell/e-shell.h"
-#include "e-util/e-account-utils.h"
-#include "e-util/e-util.h"
+#include <e-util/e-util.h>
+#include <shell/e-shell.h>
 
 #include "e-mail-folder-utils.h"
 #include "e-mail-session.h"
@@ -470,7 +470,7 @@ static struct _send_data *
 build_dialog (GtkWindow *parent,
               EMailSession *session,
               CamelFolder *outbox,
-              EAccount *outgoing_account,
+              CamelService *transport,
               gboolean allow_send)
 {
 	GtkDialog *gd;
@@ -487,7 +487,6 @@ build_dialog (GtkWindow *parent,
 	GtkWidget *progress_bar;
 	GtkWidget *cancel_button;
 	EMailAccountStore *account_store;
-	CamelService *transport = NULL;
 	struct _send_info *info;
 	gchar *pretty_url;
 	EMEventTargetSendReceive *target;
@@ -495,17 +494,6 @@ build_dialog (GtkWindow *parent,
 
 	account_store = e_mail_session_get_account_store (session);
 
-	/* Convert the outgoing account to a CamelTransport. */
-	if (outgoing_account != NULL) {
-		gchar *transport_uid;
-
-		transport_uid = g_strdup_printf (
-			"%s-transport", outgoing_account->uid);
-		transport = camel_session_get_service (
-			CAMEL_SESSION (session), transport_uid);
-		g_free (transport_uid);
-	}
-
 	send_recv_dialog = gtk_dialog_new ();
 
 	gd = GTK_DIALOG (send_recv_dialog);
@@ -1111,14 +1099,59 @@ receive_update_got_store (CamelStore *store,
 	}
 }
 
+static CamelService *
+get_default_transport (EMailSession *session)
+{
+	ESource *source;
+	ESourceRegistry *registry;
+	const gchar *extension_name;
+
+	registry = e_mail_session_get_registry (session);
+	source = e_source_registry_get_default_mail_account (registry);
+
+	if (source == NULL)
+		return NULL;
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_ACCOUNT;
+	if (e_source_has_extension (source, extension_name)) {
+		ESourceMailAccount *extension;
+		const gchar *uid;
+
+		extension = e_source_get_extension (source, extension_name);
+		uid = e_source_mail_account_get_identity_uid (extension);
+		source = e_source_registry_lookup_by_uid (registry, uid);
+	} else
+		source = NULL;
+
+	if (source == NULL)
+		return NULL;
+
+	extension_name = E_SOURCE_EXTENSION_MAIL_SUBMISSION;
+	if (e_source_has_extension (source, extension_name)) {
+		ESourceMailSubmission *extension;
+		const gchar *uid;
+
+		extension = e_source_get_extension (source, extension_name);
+		uid = e_source_mail_submission_get_transport_uid (extension);
+		source = e_source_registry_lookup_by_uid (registry, uid);
+	} else
+		source = NULL;
+
+	if (source == NULL)
+		return NULL;
+
+	return camel_session_get_service (
+		CAMEL_SESSION (session), e_source_get_uid (source));
+}
+
 static GtkWidget *
 send_receive (GtkWindow *parent,
               EMailSession *session,
               gboolean allow_send)
 {
 	CamelFolder *local_outbox;
+	CamelService *transport;
 	struct _send_data *data;
-	EAccount *account;
 	GList *scan;
 
 	if (send_recv_dialog != NULL) {
@@ -1131,16 +1164,14 @@ send_receive (GtkWindow *parent,
 	if (!camel_session_get_online (CAMEL_SESSION (session)))
 		return send_recv_dialog;
 
-	account = e_get_default_account ();
-	if (!account || !account->transport->url)
-		return send_recv_dialog;
+	transport = get_default_transport (session);
 
 	local_outbox =
 		e_mail_session_get_local_folder (
 		session, E_MAIL_LOCAL_FOLDER_OUTBOX);
 
 	data = build_dialog (
-		parent, session, local_outbox, account, allow_send);
+		parent, session, local_outbox, transport, allow_send);
 
 	for (scan = data->infos; scan != NULL; scan = scan->next) {
 		struct _send_info *info = scan->data;
@@ -1152,7 +1183,6 @@ send_receive (GtkWindow *parent,
 		case SEND_RECEIVE:
 			mail_fetch_mail (
 				CAMEL_STORE (info->service),
-				info->keep_on_server,
 				E_FILTER_SOURCE_INCOMING,
 				info->cancellable,
 				receive_get_folder, info,
@@ -1196,201 +1226,6 @@ mail_receive (GtkWindow *parent,
 	return send_receive (parent, session, FALSE);
 }
 
-struct _auto_data {
-	EAccount *account;
-	EMailSession *session;
-	gint period;		/* in seconds */
-	gint timeout_id;
-};
-
-static GHashTable *auto_active;
-
-static gboolean
-auto_timeout (gpointer data)
-{
-	CamelService *service;
-	CamelSession *session;
-	struct _auto_data *info = data;
-
-	session = CAMEL_SESSION (info->session);
-
-	service = camel_session_get_service (
-		session, info->account->uid);
-	g_return_val_if_fail (CAMEL_IS_SERVICE (service), TRUE);
-
-	if (camel_session_get_online (session))
-		mail_receive_service (service);
-
-	return TRUE;
-}
-
-static void
-auto_account_removed (EAccountList *eal,
-                      EAccount *ea,
-                      gpointer dummy)
-{
-	struct _auto_data *info = g_object_get_data((GObject *)ea, "mail-autoreceive");
-
-	g_return_if_fail (info != NULL);
-
-	if (info->timeout_id) {
-		g_source_remove (info->timeout_id);
-		info->timeout_id = 0;
-	}
-}
-
-static void
-auto_account_finalized (struct _auto_data *info)
-{
-	if (info->session != NULL)
-		g_object_unref (info->session);
-	if (info->timeout_id)
-		g_source_remove (info->timeout_id);
-	g_free (info);
-}
-
-static void
-auto_account_commit (struct _auto_data *info)
-{
-	gint period, check;
-
-	check = info->account->enabled
-		&& e_account_get_bool (info->account, E_ACCOUNT_SOURCE_AUTO_CHECK)
-		&& e_account_get_string (info->account, E_ACCOUNT_SOURCE_URL);
-	period = e_account_get_int (info->account, E_ACCOUNT_SOURCE_AUTO_CHECK_TIME) * 60;
-	period = MAX (60, period);
-
-	if (info->timeout_id
-	    && (!check
-		|| period != info->period)) {
-		g_source_remove (info->timeout_id);
-		info->timeout_id = 0;
-	}
-	info->period = period;
-	if (check && info->timeout_id == 0)
-		info->timeout_id = g_timeout_add_seconds (info->period, auto_timeout, info);
-}
-
-static void
-auto_account_added (EAccountList *eal,
-                    EAccount *ea,
-                    EMailSession *session)
-{
-	struct _auto_data *info;
-
-	info = g_malloc0 (sizeof (*info));
-	info->account = ea;
-	info->session = g_object_ref (session);
-	g_object_set_data_full (
-		G_OBJECT (ea), "mail-autoreceive", info,
-		(GDestroyNotify) auto_account_finalized);
-	auto_account_commit (info);
-}
-
-static void
-auto_account_changed (EAccountList *eal,
-                      EAccount *ea,
-                      gpointer dummy)
-{
-	struct _auto_data *info;
-
-	info = g_object_get_data (G_OBJECT (ea), "mail-autoreceive");
-
-	if (info != NULL)
-		auto_account_commit (info);
-}
-
-static void
-auto_online (EShell *shell)
-{
-	EIterator *iter;
-	EAccountList *accounts;
-	EShellSettings *shell_settings;
-	struct _auto_data *info;
-	gboolean can_update_all;
-
-	if (!e_shell_get_online (shell))
-		return;
-
-	shell_settings = e_shell_get_shell_settings (shell);
-
-	can_update_all =
-		e_shell_settings_get_boolean (
-			shell_settings, "mail-check-on-start") &&
-		e_shell_settings_get_boolean (
-			shell_settings, "mail-check-all-on-start");
-
-	accounts = e_get_account_list ();
-	for (iter = e_list_get_iterator ((EList *) accounts);
-	     e_iterator_is_valid (iter);
-	     e_iterator_next (iter)) {
-		EAccount *account = (EAccount *) e_iterator_get (iter);
-
-		if (!account || !account->enabled)
-			continue;
-
-		info = g_object_get_data (
-			G_OBJECT (account), "mail-autoreceive");
-		if (info && (info->timeout_id || can_update_all))
-			auto_timeout (info);
-	}
-
-	if (iter)
-		g_object_unref (iter);
-}
-
-/* call to setup initial, and after changes are made to the config */
-/* FIXME: Need a cleanup funciton for when object is deactivated */
-void
-mail_autoreceive_init (EMailSession *session)
-{
-	EShell *shell;
-	EShellSettings *shell_settings;
-	EAccountList *accounts;
-	EIterator *iter;
-
-	g_return_if_fail (E_IS_MAIL_SESSION (session));
-
-	if (auto_active)
-		return;
-
-	accounts = e_get_account_list ();
-	auto_active = g_hash_table_new (g_str_hash, g_str_equal);
-
-	g_signal_connect (
-		accounts, "account-added",
-		G_CALLBACK (auto_account_added), session);
-	g_signal_connect (
-		accounts, "account-removed",
-		G_CALLBACK (auto_account_removed), NULL);
-	g_signal_connect (
-		accounts, "account-changed",
-		G_CALLBACK (auto_account_changed), NULL);
-
-	for (iter = e_list_get_iterator ((EList *) accounts);
-	     e_iterator_is_valid (iter);
-	     e_iterator_next (iter))
-		auto_account_added (
-			accounts, (EAccount *)
-			e_iterator_get (iter), session);
-
-	shell = e_shell_get_default ();
-	shell_settings = e_shell_get_shell_settings (shell);
-
-	if (e_shell_settings_get_boolean (
-		shell_settings, "mail-check-on-start")) {
-		auto_online (shell);
-
-		/* also flush outbox on start */
-		if (e_shell_get_online (shell))
-			mail_send (session);
-	}
-
-	g_signal_connect (
-		shell, "notify::online",
-		G_CALLBACK (auto_online), NULL);
-}
-
 /* We setup the download info's in a hashtable, if we later
  * need to build the gui, we insert them in to add them. */
 void
@@ -1444,7 +1279,6 @@ mail_receive_service (CamelService *service)
 	case SEND_RECEIVE:
 		mail_fetch_mail (
 			CAMEL_STORE (service),
-			info->keep_on_server,
 			E_FILTER_SOURCE_INCOMING,
 			info->cancellable,
 			receive_get_folder, info,
@@ -1480,17 +1314,14 @@ mail_send (EMailSession *session)
 {
 	CamelFolder *local_outbox;
 	CamelService *service;
-	EAccount *account;
 	struct _send_info *info;
 	struct _send_data *data;
 	send_info_t type = SEND_INVALID;
-	gchar *transport_uid;
 
 	g_return_if_fail (E_IS_MAIL_SESSION (session));
 
-	account = e_get_default_transport ();
-	if (account == NULL || account->transport->url == NULL)
-		return;
+	service = get_default_transport (session);
+	g_return_if_fail (CAMEL_IS_TRANSPORT (service));
 
 	data = setup_send_data (session);
 	info = g_hash_table_lookup (data->active, SEND_URI_KEY);
@@ -1500,24 +1331,12 @@ mail_send (EMailSession *session)
 		return;
 	}
 
-	transport_uid = g_strconcat (account->uid, "-transport", NULL);
-
-	service = camel_session_get_service (
-		CAMEL_SESSION (session), transport_uid);
-
-	if (!CAMEL_IS_TRANSPORT (service)) {
-		g_free (transport_uid);
-		return;
-	}
-
 	d(printf("starting non-interactive send of '%s'\n", transport->url));
 
 	type = get_receive_type (service);
 
-	if (type == SEND_INVALID) {
-		g_free (transport_uid);
+	if (type == SEND_INVALID)
 		return;
-	}
 
 	info = g_malloc0 (sizeof (*info));
 	info->type = SEND_SEND;
@@ -1541,10 +1360,6 @@ mail_send (EMailSession *session)
 		e_mail_session_get_local_folder (
 		session, E_MAIL_LOCAL_FOLDER_OUTBOX);
 
-	g_free (transport_uid);
-
-	g_return_if_fail (CAMEL_IS_TRANSPORT (service));
-
 	mail_send_queue (
 		session, local_outbox,
 		CAMEL_TRANSPORT (service),
diff --git a/mail/mail.error.xml b/mail/mail.error.xml
index 118acc1..9fa1b92 100644
--- a/mail/mail.error.xml
+++ b/mail/mail.error.xml
@@ -300,24 +300,6 @@ all proxy information will be deleted permanently.</_secondary>
     <button _label="_Disable" response="GTK_RESPONSE_YES"/>
   </error>
 
-  <error id="no-save-signature" type="error">
-    <_primary>Could not save signature file.</_primary>
-    <secondary xml:space="preserve">{0}.</secondary>
-  </error>
-
-  <error id="signature-notscript" type="error">
-    <_primary>Cannot set signature script "{0}".</_primary>
-    <_secondary xml:space="preserve">The script file must exist and be executable.</_secondary>
-  </error>
-
-  <error id="ask-signature-changed" type="question" default="GTK_RESPONSE_YES">
-    <_primary>Do you wish to save your changes?</_primary>
-    <_secondary xml:space="preserve">This signature has been changed, but has not been saved.</_secondary>
-    <button _label="_Discard changes" response="GTK_RESPONSE_NO"/>
-    <button stock="gtk-cancel" response="GTK_RESPONSE_CANCEL"/>
-    <button stock="gtk-save" response="GTK_RESPONSE_YES"/>
-  </error>
-
   <error id="vfolder-notexist" type="error">
     <_primary>Cannot edit Search Folder "{0}" as it does not exist.</_primary>
     <_secondary xml:space="preserve">This folder may have been added implicitly,
@@ -426,16 +408,6 @@ An mbox account will be created to preserve the old mbox folders. You can delete
     <button _label="N_ever" response="GTK_RESPONSE_CANCEL"/>
   </error>
 
-  <error id="signature-already-exists" type="error" modal="true">
-    <_primary>Signature Already Exists</_primary>
-    <_secondary>A signature already exists with the name "{0}". Please specify a different name. </_secondary>
-  </error>
-  
-  <error id="blank-signature" type="error" modal="true">
-    <_primary>Blank Signature</_primary>
-    <_secondary>Please provide an unique name to identify this signature.</_secondary>
-  </error>
-  
   <error id="send-no-account-enabled" type="warning">
     <_primary>This message cannot be sent because the account you chose to send with is not enabled</_primary>
     <_secondary xml:space="preserve">Please enable the account or send using another account.</_secondary>



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