[horde] Latest Gmail app / Android update seems to break ActiveSync with Horde

[Sebastian Arcus]

On 20/11/2025 08:22, Stephan Lauffer wrote:
> Hello!
> 
> Maybe we should add a "have the same prob" here:
> 
> https://support.google.com/mail/thread/388700940/exchange-mail-and-calendar-sync-issue-with-gmail-and-google-calendar-on-andriod
> 
> And yes, probs started with Gmail 2025.11.02.* here, too.

That's a good idea - done


> 
>> Sebastian Arcus <s.arcus at open-t.co.uk> hat am 19.11.2025 16:52 CET geschrieben:
>>
>>
>> Just a heads up that latest Android and/or Gmail app update seems to
>> break ActiveSync connection to Horde. I have reports so far of 4 phones
>> of different brands - Samsung and Xiaomi - on Android 12 and 16
>> respectively - which have all developed similar symptoms in the last
>> week or so. They are connected to 2 different Horde instances - both on
>> version 5.2.21. The emails and contacts endlessly reload again and
>> again. I have tried to clear the cache and storage for the Gmail app.
>> Also deleted and reconfigured the accounts on the phone. The main error
>> message I can find in the Horde logs is the one below - which might or
>> might not be connected to this:
>>
>> 2025-11-19T14:33:03+00:00 ERR: HORDE Returning HTTP 400 while handling
>> Find command. Error is: Find not supported. [pid 351 on line 160 of
>> "/srv/lighttpd/mail.mydomain.co.uk/horde/rpc.php"]
>>
>> Just wondering if anyone else has encountered this?
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> 
> --
> Best regards
> Stephan
>