Re: [Evolution] Problem with IMAP subscriptions

["John A. Sullivan III" <jsullivan opensourcedevel com>]

Hello, Milan.  My apologies; I was trying to avoid top posting. And
also thank you for your many years of service - it has bee a very long
time since I posted and I'm glad to see you still involved. I'll answer
in-line - John

-----Original Message-----
From: Milan Crha via evolution-list <evolution-list gnome org>
Reply-To: Milan Crha <mcrha redhat com>
To: evolution-list gnome org
Subject: Re: [Evolution] Problem with IMAP subscriptions
Date: Wed, 22 Jun 2022 15:05:15 +0200

On Tue, 2022-06-21 at 14:53 -0400, John A. Sullivan III wrote:
> -----Original Message-----

        Hi,
your way of replying to your original mail is quite confusing. I'm
sorry to say that, but it is.

> However, now both of those accounts in Evolution initially show
> subfolders but then they all disappear from the view.

Yours 3.38.3-1 is very old, I do not recall whether there was anything
specific for your issue fixed between all the months (the 3.38.3 had
been released at the beginning of the 2021). I see something related to
the IMAP subscriptions landed in 3.38.4, but whether it's related I do
not know.

> When I try to manage subscriptions, they all appear under the Inbox
> rather than peer to it.

As far as I can tell, what you see is what the server advertises. Some
servers can succeed with the move, but then reject the operation
internally.

[John - when I look at the folder structure using the provider's web
mail, the folders are peer to the Inbox rather than underneath it.]

When you remove ~/.cache/evolution/mail/<imap-account-uid> , then the
next start of Evolution the cache will be re-populated from scratch,
which means it can fix any inconsistencies in the local cache. It also
mean the account data will be all downloaded again, which can take time
and will use the network bandwidth.

[John - I have tried that.  I've also completely uninstalled, purged,
and deleted every hidden file I could find including the
.cache/evolution folder.]

I'm not sure whether your problem is the folder position relative to
the Inbox or the folders not being shown at all. You can set whether
you want to see only subscribed folders in the account Properties->
Receiving Options tab. When you disable "Show only subscribed folders"
you'll see all the folders advertised by the server.

[John - the folders are not showing at all. The reason why I mentioned
the position relative to the Inbox is that the Evolution manual
explicitly says that having folder with subfolders and messages under
the Inbox can be a problem with Evolution - in fact, it seems like this
problem where they are not displayed.  It recommends placing them at
the top level of the account, i.e., peer to the Inbox. However,
Evolution does not allow me to do that.  For example, I tried creating
a new folder directly under the account into which I could move all
these folders but, after creation, it shows up under the Inbox.

I have tried setting Receive options to show only subscribed and to
show all.  Whenever I do either of those, the folders appear and then
disappear.]

> Error fetching message: unknown body response

It looks like the server is returning something the IMAPx code cannot
decode. It would worth to test this with a more recent version. The
Flathub.org version is the easiest way how to get the latest stable
version without influencing the host machine. It has its downsides too,
but at least for testing of the newer version, or when there's no other
option how to get to the latest version, it's perfectly sufficient.


        Bye,
        Milan

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