virtual users, mailer daemon send mails to non existant recipient and dovecot store it

Aki Tuomi aki.tuomi at dovecot.fi
Tue Aug 23 16:08:50 UTC 2016


> On August 23, 2016 at 6:57 PM Sam <sr42354 at gmail.com> wrote:
> 
> 
> Hello,
> 
> Sometime when we receive a spam or virus that is detected as it, mailer 
> daemon send a reply to the sender to inform that the message is a spam 
> or content viruses.
> 
> The problem is that the sender of the spam as something like 
> voicemail at ourdomain.fr ( the user voicemail doesn't exist in our database )
> 
> And sometimes dovecot create the directory and store the reply 's mail...
> 
> 

<snip/>


> 
> I don't understand why I don't have the same behavior that when I send a 
> mail to a non existant address ( <tottttt at ourdomain.fr>: Recipient 
> address rejected: User unknown in virtual mailbox table )
> 
> How can I fix it?
> 
> Thanks a lot!
> 
> Samuel

Please provide doveconf -n output. 

Aki


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