Dovecot with pam authentication and user at domain

[Christian Schneider]

Sorry for bringing up this issue again, but I still have no solution.
Is the describtion of my problem unclear? I suppose this setup is not 
uncommon...
Greetings
Christian

On Samstag, 16. Januar 2016 00:51:27 CET Christian Schneider wrote:
> Hello all,
> I'm trying to setup dovecot for local users with pam authentication.
> The passdb and userdb entries are as follows:
> 
> passdb {
>   args = username_format=%n
>   driver = pam
> }
> userdb {
>   args = username_format=%n
>   driver = passwd
> }
> 
> Using "doveadm user chriss" returns the user record as expected, but
> "doveadm user chriss at testmail.ch-sc.de" gives an error:
> field   valueuserdb lookup: user chriss at testmail.ch-sc.de doesn't exist
> 
> As far as I understand, username_format=%n should drop the domain part and
> only search for the user in the userdb, but it doesn't. What am I missing?
> 
> Greetings
> Christian
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