Attention: Thunderbird 52 and Kolab 16

[Stefan Froehlich]

I can confirm this issue. This only happens if you set connection 
security to STARTTLS or SSL/TLS. Setting this to None works.


MfG Stefan Froehlich

42 ;-)


On 21/04/2017 21:52, Matthias Busch wrote:
> Hey,
>
> I have two Kolab Servers running (16.1 on Debian 8 x64) and multiple 
> Users ran into big trouble when they Upgraded their Thunderbird 45.8 
> to 52.0.1
>
> Drafts could no longer be saved. New mails were not seen. In fact, 
> setting up new accounts did not work, when forced to save, the initial 
> connection to the IMAP server to see the folders did not work either. 
> Thunderbird claims it could not connect to the imap server, however, 
> log files in Kolab did not show any connection attempt I could see.
>
> Furthermore, connecting to gmail or gmx did work but also showed signs 
> of trouble, saving drafts did not work most of the time.
>
> After the downgrade everything is back to working normally. This has 
> been verified twice now, on different machines, different internet 
> connections. I am absolutely certain that thunderbird is at fault. 
> Furthermore, I do believe that thunderbird f***ed something up and not 
> that kolab is doing it wrong...
>
> Just wanted to warn you guys. Take care
> Matthias
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