On Tue, 2010-08-31 at 14:48 -0700, Tomislav Mihalicek wrote: > >> Aug 31 10:03:35 cartman2 dovecot: auth: Fatal: > >> net_connect_unix(auth-worker) > >> failed: Permission denied Try: chmod 0755 /var/run/dovecot Also next Dovecot version will do that automatically.