[horde] Problem with Horde "Mailbox does not support mod-sequences"

[Hendrik Noack]

> -----Ursprüngliche Nachricht-----
> Von: horde [mailto:horde-bounces at lists.horde.org] Im Auftrag von Luca
> Bertoncello
> Gesendet: Montag, 13. Februar 2017 14:15
> An: horde at lists.horde.org
> Betreff: [horde] Problem with Horde "Mailbox does not support mod-
> sequences"
> 
> Hi list!
> 
> I have a Server with Debian 8 and Dovecot 2.2.13-12 (from Debian
> repositories) and Horde 5.2.13.
> 
> When I delete an E-Mail, I always get the error "Mailbox does not support
> mod-sequences".
> It results in having the E-Mail not moved to Trash and I must update more
> times the folder to see the E-Mail moved to Trash...
> 
> Unfortunately, I couldn't get any help from Dovecot list, so I'm trying
here,
> with the hope that someone here use Dovecot, too...
> 
> Could someone help me to add this support for mod-sequences?
> 
> Thanks a lot!
> Luca Bertoncello
> (lucabert at lucabert.de)
> 
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Hi Luca,

I do use Debian 8 with Dovecot and Horde 5.2.17. I never experienced this
error before, but I don't think it is related to Horde. Is it a general
problem or does it only happen to some users?

You could rule out horde by using an IMAP client like thunderbird against
your dovecot server.  Horde is just using IMAP (via php). Are you using the
default imp IMAP configuration or did you customized it? If so, could you
please try it with the default (if thats possible in your setup)?

If you can rule out horde it must be some kind of problem with the dovecot
configuration or with specific mailboxes. If you use maildir format, you
could try to make a backup of the mailbox directory and start fresh to see
if that helps. You can even copy a few mail files back in there, dovecot
should rebuild the index by itself the next time you access the directory
from an IMAP client. Try to delete them.

If nothing helps, you might have to enabled debug log in dovecot and
reproduce the error. Maybe there is something in logs that points you in the
right direction. Needles to say that file system permission should be
checked first, right? ;-)

Mit freundlichen Grüßen / Best regards
   
Hendrik Noack

   
--
Axxedia IT GmbH

Schwabstr. 30
71106 Magstadt
   
Tel +49 7159 4979763
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