Re: [Evolution] Customize Toolbar?

[Pete Biggs <pete biggs org uk>]

On Mon, 2014-02-10 at 18:43 +0400, Emre Erenoglu wrote:
> How can I customize the toolbar? I would like to add a button for
> "mark as read" or "mark as unread".

That's what the envelope icon to the left of the line in the message
list is for.

> Is it possible or not at all?

No, you can't edit the toolbar without delving into the XML files that
control it.  I'm sure there must be a bug filed for it somewhere ...
try 

  https://bugzilla.gnome.org/show_bug.cgi?id=396416


P.