^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth( attempts in [[:digit:]]+ secs)?|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited [[:digit:]] secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS, )?session=<[[:alnum:]/+]+>$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(tried to use disallowed plaintext auth\): user=<>, rip=[.[:xdigit:]]+, lip=[.[:xdigit:]]+, session=<[[:alnum:]/+]+>$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Too many (invalid|bad) commands\.?)? \(no auth attempts( in [[:digit:]]+ secs)?\): user=<>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+,( TLS,)? session=<[[:alnum:]/+]+>$
-^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS: Connection closed, session=<[[:alnum:]/+]+>$
-^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS, session=<[[:alnum:]/+]+>$
+^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Disconnected: Connection closed \(no auth attempts in 0 secs\): user=<>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS: Connection closed, session=<[[:alnum:]/+]+>$
+^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Disconnected: Connection closed \(no auth attempts in 0 secs\): user=<>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS, session=<[[:alnum:]/+]+>$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Disconnected(: Inactivity during authentication)? \(client didn't finish SASL auth, waited [[:digit:]]+ secs\): user=<[^>]*>, method=PLAIN, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS( handshaking)?: (Connection closed|Disconnected|SSL_read\(\) syscall failed: Connection reset by peer), session=<[[:alnum:]/+]+>$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Disconnected(: Inactivity during authentication)? \(client didn't finish SASL auth, waited [[:digit:]]+ secs\): user=<[^>]*>, method=PLAIN, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS, session=<[[:alnum:]/+]+>$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Disconnected (tried to use unsupported auth mechanism): user=<[-_.@[:alnum:]]*>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+(,( mpid=[[:digit:]]+,)? (TLS( handshake)?|secured))?(: Disconnected)?(, session=<[[:alnum:]/+]+>)?$