[SERVERBUG] failed to send mail with SA and antispam plugin

[Pascal Volk]

On 01/14/2015 03:05 PM, ML mail wrote:
> Hello,
> 
> I am using the antispam plugin of Dovecot with SpamAssassin and in some cases when users move back mails from the Spam folder to their INBOX (false positive) they get the following error message:
> 
> [SERVERBUG] failed to send mail
> 
> Does anyone have an idea what could be the issue here? It is quite annoying as the mail then stays in the Spam folder and can not been re-learnt has ham.
> 

Someone has stolen my crystal ball. :-(
Please provide `doveconf -n` output.


Regards,
Pascal
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