Hi all, Sorry for the mail below, we have found the solution.
We had to comment out the "passdb pam {" line in dovecot.conf althoug this section was empty. This solved all the problems. Bye, zs- > Hi, > > > I'm using dovecot v1.0.rc15 (from debian etch) and I have some performance > problems. > > Every time I log in I see the following in the mail log: > > ---- > Jul 8 21:05:31 myserver dovecot-auth: (pam_unix) check pass; user unknown > Jul 8 21:05:31 myserver dovecot-auth: (pam_unix) authentication failure; > logname=uid=0 euid=0 > tty=dovecot ruser= rhost=127.0.0.1 > Jul 8 21:05:33 myserver dovecot: imap-login: Login: user=<[EMAIL > PROTECTED]>,method=PLAIN, > rip=127.0.0.1, lip=127.0.0.1, secured > Jul 8 21:05:33 myserver dovecot: IMAP([EMAIL PROTECTED]): Disconnected: > Logged out > ---- > > It doesn't matter if I use Squirrelmail or Thunderbird (as POP3 client), the > first try is always > empty username and password so it slows down terribly every action. > > What's more I'm using postgres authentication and there are no local system > users. > This problem didn't come out with previous version of dovecot. > > Thank you in advance, > zs- > > >