Sep 16 12:23:32 hostname9727 dovecot: auth: Error: passwd-file /etc/maillpass: User aaaa is missing userdb info
Sep 16 12:23:35 hostname9727 dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<aaaa>, method=PLAIN, rip=77.114.47.11, lip=30.220.108.9, session=<oF81YqI83gBNfC8L>
Sep 16 12:26:02 hostname9727 dovecot: master: Warning: Killed with signal 15 (by pid=14751 uid=0 code=kill)
Sep 16 12:26:02 hostname9727 dovecot: master: Dovecot v2.2.10 starting up for imap, pop3 (core dumps disabled)
Sep 16 12:26:11 hostname9727 dovecot: auth: Error: passwd-file /etc/maillpass: User aaaa is missing userdb info
Sep 16 12:26:13 hostname9727 dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<aaaa>, method=PLAIN, rip=77.114.47.11, lip=30.220.108.9, session=<ykSja6I8AQBNfC8L>

aaaa:1234