Простите, в конфиге не заметил опцию логирования ssl. Вот сам dovecot.conf:
2011-04-16 18:12:10 pop3-login: Info: Aborted login (no auth attempts): rip=192.168.172.42, lip=192.168.172.100
2011-04-16 18:12:10 imap-login: Info: Aborted login (no auth attempts): rip=192.168.172.42, lip=192.168.172.100
2011-04-16 18:12:10 imap-login: Info: Aborted login (no auth attempts): rip=192.168.172.42, lip=192.168.172.100
2011-04-16 18:12:10 pop3-login: Info: Aborted login (no auth attempts): rip=192.168.172.42, lip=192.168.172.100
2011-04-16 18:12:11 auth(default): Info: new auth connection: pid=3995
2011-04-16 18:12:11 auth(default): Info: new auth connection: pid=3997
2011-04-16 18:12:11 auth(default): Info: new auth connection: pid=3996
2011-04-16 18:12:11 auth(default): Info: new auth connection: pid=3994
2011-04-16 18:13:10 auth(default): Info: new auth connection: pid=4010
2011-04-16 18:13:10 auth(default): Info: new auth connection: pid=4012
2011-04-16 18:13:10 auth(default): Info: new auth connection: pid=4011
2011-04-16 18:13:10 auth(default): Info: new auth connection: pid=4014
2011-04-16 18:13:10 auth(default): Info: new auth connection: pid=4013
2011-04-16 18:13:10 auth(default): Info: new auth connection: pid=4009
2011-04-16 18:13:10 auth(default): Info: client in: AUTH 1 PLAIN service=imap secured lip=192.168.172.100 rip=192.168.172.250 lport=143
rport=3124
2011-04-16 18:13:10 auth(default): Info: client out: CONT 1
2011-04-16 18:13:10 auth(default): Info: client in: CONT 1 AHJla2NvbS10c2sAcmVrY29tLXRzay1yZWstMjAxMA==
2011-04-16 18:13:10 auth-worker(default): Info: pam(company-2,192.168.172.250): lookup service=dovecot
2011-04-16 18:13:10 auth-worker(default): Info: pam(company-2,192.168.172.250): #1/1 style=1 msg=Password:
2011-04-16 18:13:10 auth(default): Info: client in: AUTH 1 PLAIN service=imap secured lip=192.168.172.100 rip=192.168.172.250 lport=143
rport=3127
2011-04-16 18:13:10 auth(default): Info: client out: CONT 1
2011-04-16 18:13:10 auth(default): Info: client in: CONT 1 AHJla2NvbS15YQByZWtjb20teWEtcmVrLTIwMTA=
2011-04-16 18:13:10 auth-worker(default): Info: pam(company-3,192.168.172.250): lookup service=dovecot
2011-04-16 18:13:10 auth-worker(default): Info: pam(company-3,192.168.172.250): #1/1 style=1 msg=Password:
2011-04-16 18:13:11 auth(default): Info: client in: AUTH 1 PLAIN service=imap secured lip=192.168.172.100 rip=192.168.172.250 lport=143
rport=3125
2011-04-16 18:13:11 auth(default): Info: client out: CONT 1
2011-04-16 18:13:11 auth(default): Info: client in: CONT 1 AGVuZXJnb21hc2gAZW5lcmdvbWFzaC1yZWstMjAxMA==
2011-04-16 18:13:11 auth(default): Info: client in: AUTH 1 PLAIN service=imap secured lip=192.168.172.100 rip=192.168.172.250 lport=143
rport=3123
2011-04-16 18:13:11 auth(default): Info: client out: CONT 1
2011-04-16 18:13:11 auth(default): Info: client in: CONT 1 AHJla2NvbS10c2sAcmVrY29tLXRzay1yZWstMjAxMA==
2011-04-16 18:13:11 auth-worker(default): Info: pam(company-1,192.168.172.250): lookup service=dovecot
2011-04-16 18:13:11 auth-worker(default): Info: pam(company-1,192.168.172.250): #1/1 style=1 msg=Password:
2011-04-16 18:13:11 auth-worker(default): Info: pam(company-2,192.168.172.250): lookup service=dovecot
2011-04-16 18:13:11 auth-worker(default): Info: pam(company-2,192.168.172.250): #1/1 style=1 msg=Password:
2011-04-16 18:13:11 auth(default): Info: client in: AUTH 1 PLAIN service=imap secured lip=192.168.172.100 rip=192.168.172.250 lport=143
rport=3126
2011-04-16 18:13:11 auth(default): Info: client out: CONT 1
2011-04-16 18:13:11 auth(default): Info: client in: CONT 1 AHJtLXRvbXNrAHJtLXRvbXNrLXJlay0yMDEw
2011-04-16 18:13:11 auth(default): Info: client out: OK 1 user=company-2
2011-04-16 18:13:11 auth(default): Info: master in: REQUEST 1 3977 1
2011-04-16 18:13:11 auth(default): Info: passwd(company-2,192.168.172.250): lookup
2011-04-16 18:13:11 auth(default): Info: master out: USER 1 company-2 system_groups_user=company-2 uid=1009 gid=1010 home=/home/company-2
2011-04-16 18:13:11 imap-login: Info: Login: user=<company-2>, method=PLAIN, rip=192.168.172.250, lip=192.168.172.100, TLS
2011-04-16 18:13:11 auth-worker(default): Info: pam(company-4,192.168.172.250): lookup service=dovecot
2011-04-16 18:13:11 auth-worker(default): Info: pam(company-4,192.168.172.250): #1/1 style=1 msg=Password:
2011-04-16 18:13:11 IMAP(company-2): Info: Effective uid=1009, gid=1010, home=/home/company-2
2011-04-16 18:13:11 IMAP(company-2): Info: maildir: data=~/Maildir
2011-04-16 18:13:11 IMAP(company-2): Info: maildir++: root=/home/company-2/Maildir, index=, control=, inbox=/home/company-2/Maildir
2011-04-16 18:13:11 IMAP(company-2): Info: Namespace : Using permissions from /home/company-2/Maildir: mode=0755 gid=-1
2011-04-16 18:13:11 auth(default): Info: client out: OK 1 user=company-3
2011-04-16 18:13:11 auth(default): Info: master in: REQUEST 2 4012 1
2011-04-16 18:13:11 auth(default): Info: passwd(company-3,192.168.172.250): lookup
2011-04-16 18:13:11 auth(default): Info: master out: USER 2 company-3 system_groups_user=company-3 uid=1011 gid=1012 home=/home/company-3
2011-04-16 18:13:11 imap-login: Info: Login: user=<company-3>, method=PLAIN, rip=192.168.172.250, lip=192.168.172.100, TLS
2011-04-16 18:13:11 IMAP(company-3): Info: Effective uid=1011, gid=1012, home=/home/company-3
2011-04-16 18:13:11 IMAP(company-3): Info: maildir: data=~/Maildir
2011-04-16 18:13:11 IMAP(company-3): Info: maildir++: root=/home/company-3/Maildir, index=, control=, inbox=/home/company-3/Maildir
2011-04-16 18:13:11 IMAP(company-3): Info: Namespace : Using permissions from /home/company-3/Maildir: mode=0755 gid=-1
2011-04-16 18:13:11 auth(default): Info: new auth connection: pid=4021
2011-04-16 18:13:11 auth(default): Info: client out: OK 1 user=company-1
2011-04-16 18:13:11 auth(default): Info: master in: REQUEST 3 3997 1
2011-04-16 18:13:11 auth(default): Info: passwd(company-1,192.168.172.250): lookup
2011-04-16 18:13:11 auth(default): Info: master out: USER 3 company-1 system_groups_user=company-1 uid=1010 gid=1011 home=/home/company-1
2011-04-16 18:13:11 imap-login: Info: Login: user=<company-1>, method=PLAIN, rip=192.168.172.250, lip=192.168.172.100, TLS
2011-04-16 18:13:11 auth(default): Info: client out: OK 1 user=company-2
2011-04-16 18:13:11 auth(default): Info: master in: REQUEST 4 3996 1
2011-04-16 18:13:11 auth(default): Info: passwd(company-2,192.168.172.250): lookup
2011-04-16 18:13:11 auth(default): Info: master out: USER 4 company-2 system_groups_user=company-2 uid=1009 gid=1010 home=/home/company-2
2011-04-16 18:13:11 imap-login: Info: Login: user=<company-2>, method=PLAIN, rip=192.168.172.250, lip=192.168.172.100, TLS
2011-04-16 18:13:11 IMAP(company-1): Info: Effective uid=1010, gid=1011, home=/home/company-1
2011-04-16 18:13:11 IMAP(company-1): Info: maildir: data=~/Maildir
2011-04-16 18:13:11 IMAP(company-1): Info: maildir++: root=/home/company-1/Maildir, index=, control=, inbox=/home/company-1/Maildir
2011-04-16 18:13:11 IMAP(company-2): Info: Effective uid=1009, gid=1010, home=/home/company-2
2011-04-16 18:13:11 IMAP(company-2): Info: maildir: data=~/Maildir
2011-04-16 18:13:11 IMAP(company-2): Info: maildir++: root=/home/company-2/Maildir, index=, control=, inbox=/home/company-2/Maildir
2011-04-16 18:13:11 IMAP(company-1): Info: Namespace : Using permissions from /home/company-1/Maildir: mode=0755 gid=-1
2011-04-16 18:13:11 auth(default): Info: client out: OK 1 user=company-4
2011-04-16 18:13:11 auth(default): Info: master in: REQUEST 5 4010 1
2011-04-16 18:13:11 auth(default): Info: passwd(company-4,192.168.172.250): lookup
2011-04-16 18:13:11 auth(default): Info: master out: USER 5 company-4 system_groups_user=company-4 uid=1013 gid=1014 home=/home/company-4
2011-04-16 18:13:11 imap-login: Info: Login: user=<company-4>, method=PLAIN, rip=192.168.172.250, lip=192.168.172.100, TLS
2011-04-16 18:13:11 IMAP(company-4): Info: Effective uid=1013, gid=1014, home=/home/company-4
2011-04-16 18:13:11 IMAP(company-4): Info: maildir: data=~/Maildir
2011-04-16 18:13:11 IMAP(company-4): Info: maildir++: root=/home/company-4/Maildir, index=, control=, inbox=/home/company-4/Maildir
2011-04-16 18:13:11 IMAP(company-4): Info: Namespace : Using permissions from /home/company-4/Maildir: mode=0755 gid=-1
2011-04-16 18:13:16 auth(default): Info: client in: AUTH 1 PLAIN service=imap secured lip=192.168.172.100 rip=192.168.172.250 lport=143 rport=3144
2011-04-16 18:13:16 auth(default): Info: client out: CONT 1
2011-04-16 18:13:16 auth(default): Info: client in: CONT 1 AHJtLXRvbXNrAHJtLXRvbXNrLXJlay0yMDEw
2011-04-16 18:13:16 auth-worker(default): Info: pam(company-4,192.168.172.250): lookup service=dovecot
2011-04-16 18:13:16 auth-worker(default): Info: pam(company-4,192.168.172.250): #1/1 style=1 msg=Password:
2011-04-16 18:13:16 auth(default): Info: client out: OK 1 user=company-4
2011-04-16 18:13:16 auth(default): Info: master in: REQUEST 6 4021 1
2011-04-16 18:13:16 auth(default): Info: passwd(company-4,192.168.172.250): lookup
2011-04-16 18:13:16 auth(default): Info: master out: USER 6 company-4 system_groups_user=company-4 uid=1013 gid=1014 home=/home/company-4
2011-04-16 18:13:16 imap-login: Info: Login: user=<company-4>, method=PLAIN, rip=192.168.172.250, lip=192.168.172.100, TLS
2011-04-16 18:13:16 IMAP(company-4): Info: Effective uid=1013, gid=1014, home=/home/company-4
2011-04-16 18:13:16 IMAP(company-4): Info: maildir: data=~/Maildir
2011-04-16 18:13:16 IMAP(company-4): Info: maildir++: root=/home/company-4/Maildir, index=, control=, inbox=/home/company-4/Maildir
2011-04-16 18:13:30 IMAP(company-1): Info: Disconnected: Logged out bytes=126/1169
2011-04-16 18:13:30 IMAP(company-2): Info: Disconnected: Logged out bytes=126/1976
2011-04-16 18:13:30 IMAP(company-2): Info: Disconnected: Logged out bytes=108/800
2011-04-16 18:13:30 IMAP(company-4): Info: Disconnected: Logged out bytes=149/1063
2011-04-16 18:13:30 IMAP(company-3): Info: Disconnected: Logged out bytes=125/992
2011-04-16 18:13:30 IMAP(company-4): Info: Disconnected: Logged out bytes=176/600