[horde] Horde_ActiveSync 2.37.2 break ActiveSync with iOS (iPhone)

[Michael J Rubinsky]

Quoting 0x90 <0x90 at wmailer.net>:

> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>
>> Quoting lst_hoe02 at kwsoft.de:
>>
>>> Hello,
>>>
>>> yesterday we noticed that all of our iOS Devices can not sync  
>>> their e-mail anymore. We had an update to ActiveSync 2.37.2 short  
>>> before so we rolled back to 2.37.1 and e-mail start working again.  
>>> As the releas notes say "Attempt to work around IMAP servers that  
>>> report broken HIGHESTMODSEQ values." it might be a problem with  
>>> our IMAP Server (Cyrus IMAP 2.4.17 from Ubuntu 14.04 latest). Any  
>>> idea what is wrong and how to fix? In the log we had a lot of  
>>> "Force restting of state for F533fe8a0: UIDVALIDTY no longer  
>>> valid" but i'm not sure if this is related. The Android Devices  
>>> where working fine BTW even with the latest version.
>>
>> There was a change in where UIDVALIDITY is checked in the latest  
>> version. It was previously being checked in a place that was too  
>> late - after we already checked for changes. It is now checked  
>> earlier, so we know if the UIDs and/or MODSEQ values are valid  
>> before we use them.
>>
>> However, this code path is the same regardless of client being used  
>> so I'm not really sure what is going on with your iOS devices. My  
>> iOS devices are working fine here. If you provide a log I can take  
>> a closer look.
>>
>
> Hi, I can confirm that there is a problem with iOS devices there.  
> Unfortunately I don't have direct access to the devices. The users  
> reported that email were not working for some days already. After  
> rollback to Horde_ActiveSync 2.37.1 the problem has gone. None of  
> the 9 Android devices had a problem but 3 out of 3 iOS devices.

Thanks for the info, but not much I can do without seeing a log.


> Running Horde on CentOS 7.2 | postfix | dovecot, installed by pear.
>
> greetings
> 0x90
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-- 
mike
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