Thanks for the information. Looking at a Imap dump from Sogo it's clear
that the X-GUID extension is alive and well, just not advertising itself).
So it looks like the strange synchronisation behaviour is due to some
other aspect of the setup. Does anyone have any other ideas? I haven't
seen any other similar posts on this list for similar problems so I'm
rather baffled.
On 18/02/2016 22:04, Chris wrote:
On Dovecot imap server 2.2.8 and newer, X-GUID should be used by SOGo
2.2.11 and newer. ANNOTATE is the old outdated standard still used by
Cyrus imap server.
See this resolved bug from Dec 2014: http://sogo.nu/bugs/view.php?id=3018
Also see more about dovecot and x-guid:
http://www.dovecot.org/list/dovecot/2014-September/097907.html
On 2/18/2016 4:11 PM, John Underwood wrote:
I have a small server setup which is working very well with the
exception of EAS on android devices (I haven't tried iOS devices).
The setup is as follows:
- Centos 7
- dovecot 2.2.10
- samba authentication using Sernet samba 4.2
- apache 2.4.6
- SOGo 3.0.1 (previously on 2.3.x with the same symptoms).
Thunderbird clients work fine
The web front end works fine (version 2 and now version 3).
When I first sync an android phone with the server using ActiveSync,
it flashes up "Syncing x/5500" emails. It then syncs about 10-15 and
no more. Contacts and calendars sync fine.
Subsequently the phone will collect e-mail automatically as it
arrives providing it hasn't already been read using Thunderbird. If
an e-mail /has/ already been read using Thunderbird it doesn't sync
to the phone at all.
Looking through the installation guide (p5), I note that the IMAP
server needs the ACL, UIDPLUS, QRESYNC, ANNOTATE (or X-GUID)
extensions. I have the first three but I can't find any reference to
the ANNOTATE or X-GUID extensions in the dovecot documentation. Could
this be the problem?
Any help would be much appreciated!
Thanks
John
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