Thank you very much, this was not installed!!!
dovecot-mysql
Oh my god :)
-----Ursprüngliche Nachricht----- Von: dovecot-bounces@dovecot.org [mailto:dovecot-bounces@dovecot.org] Im Auftrag von Timo Sirainen Gesendet: Mittwoch, 16. Mai 2012 15:45 An: Frank Walter Cc: Dovecot Mailing List Betreff: Re: [Dovecot] How to make Dovecot verbous
On 16.5.2012, at 16.40, Frank Walter wrote:
I found the logfile problem:
it was an error in 10-logging.conf
auth_verbose_passwords = yes
this gives an error and all the logging settings are not working.
Auth process doesn't log anything except the one error at startup, because it dies immediately after that.
May 16 15:24:16 auth: Fatal: Unknown database driver 'mysql' .. Anyway I didn't compile it myself, I installed it with aptitude on ubuntu 12.04. Must be with mysql.
apt-get install dovecot-mysql