[horde] activesync was working but broke?

[Jan Schneider]

Am 29. September 2014 00:08:27 MESZ, schrieb Jason Haar <Jason_Haar at trimble.com>:
>Hi there
>
>I was happily running Horde-webmail 5.2.1 with just a single user - me 
>- synchronizing to my Android Phone, Tablet and Outlook 2013
>
>On Sunday they all stopped working. No real error, just stopped
>synchronizing email. The normal web interface to horde still worked,
>but
>the ActiveSync component broke. I upgraded to 5.2.2 but it didn't help.
>I deleted the profile on the phone and created a new one - didn't help.
>I used Horde to remove the device from the server and created a new
>client profile  - didn't help
>
>I'm a bit stuck, clearly something has become borked, but I don't know
>what. I haven't tried trashing the mysql database yet, but that will
>lose contacts/calendaring and I don't want that. I have turned up
>logging to DEBUG and nothing really shows up in there, except once in a
>while I see
>
>2014-09-28T14:10:27+13:00 ERR: [32702] Unknown backend error skipping
>message: IMAP error reported by server.
>2014-09-28T14:10:27+13:00 ERR: [32702] Unable to fetch message: IMAP
>error reported by server.
>2014-09-28T14:10:27+13:00 ERR: IMAP error reported by server.
>
>...but I can't get horde to run except in TLS mode, so I can't even
>sniff the traffic to see what the IMAP error is. But that error doesn't
>show up every time I get the client to do a 'sync', so I'm not sure if
>it's the root cause. The IMAP server is dovecot-2.0.9 (CentOS-6)
>
>Any ideas what I can do to diagnose the root cause?
>
>Thanks
>
>-- 
>Cheers
>
>Jason Haar
>Corporate Information Security Manager, Trimble Navigation Ltd.
>Phone: +1 408 481 8171
>PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
>
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IMP has it's own logging facility for IMAP traffic that works even via TLS. You enable it in IMP's backend configuration. 
-- 
Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.