^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ auth: pam_unix\(dovecot:[[:alnum:]]+\): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=([-_.@[:alnum:]]+)? rhost=([.:[:xdigit:]]+)?(  user=[-_.@[:alnum:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ auth: pam_unix\(dovecot:[[:alnum:]]+\): check pass; user unknown$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: auth-worker\([-_.[:alnum:]]+\): pam\([[:alnum:]]+,[[:digit:].]+\): unknown user$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: Connection closed \([[:alpha:] ]+ finished [[:digit:].]+ secs ago\) in=[[:digit:]]+ out=[[:digit:]]+( deleted=[[:digit:]]+ expunged=[[:digit:]]+ trashed=[[:digit:]]+ hdr_count=[[:digit:]]+ hdr_bytes=[[:digit:]]+ body_count=[[:digit:]]+ body_bytes=[[:digit:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: Connection closed(: Connection reset by peer)?( bytes=[[:digit:]]+/[[:digit:]]+| in=[[:digit:]]+ out=[[:digit:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: Connection closed \(No commands sent\) in=[[:digit:]]+ out=[[:digit:]]+( deleted=[[:digit:]]+ expunged=[[:digit:]]+ trashed=[[:digit:]]+ hdr_count=[[:digit:]]+ hdr_bytes=[[:digit:]]+ body_count=[[:digit:]]+ body_bytes=[[:digit:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: Connection closed \((UID FETCH|IDLE) running for [[:digit:].]+ \+ waiting input for [[:digit:].]+ secs,( [[:digit:].]+ in locks,)? [[:digit:]]+ B in \+ [[:digit:]]+(\+[[:digit:]]+)? B out, state=wait-input\) in=[[:digit:]]+ out=[[:digit:]]+( deleted=[[:digit:]]+ expunged=[[:digit:]]+ trashed=[[:digit:]]+ hdr_count=[[:digit:]]+ hdr_bytes=[[:digit:]]+ body_count=[[:digit:]]+ body_bytes=[[:digit:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: Disconnected(: Logged out| for inactivity|: Disconnected| in [[:upper:]]+|: Too many invalid IMAP commands\.)?( in IDLE)? in=[[:digit:]]+ out=[[:digit:]]+( deleted=[[:digit:]]+ expunged=[[:digit:]]+ trashed=[[:digit:]]+ hdr_count=[[:digit:]]+ hdr_bytes=[[:digit:]]+ body_count=[[:digit:]]+ body_bytes=[[:digit:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: Logged out in=[[:digit:]]+ out=[[:digit:]]+( deleted=[[:digit:]]+ expunged=[[:digit:]]+ trashed=[[:digit:]]+ hdr_count=[[:digit:]]+ hdr_bytes=[[:digit:]]+ body_count=[[:digit:]]+ body_bytes=[[:digit:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lda\([[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: msgid=([[:alnum:]":<>{}@?=+/.,_!&\$%#~-]+( \(added by.*postmaster@[[:alnum:].-]+\))?|unspecified): saved mail to [[:alnum:]/._-]+$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lda\([[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: sieve: msgid=(\? )?([[:alnum:]":<>{}@?=+/.,_!&\$%#~-]+( \(added by.*postmaster@[[:alnum:].-]+\))?|unspecified): stored mail into mailbox '[^[:space:]]+'$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lda\([[:alnum:]]+\)(<[[:digit:]]+><[[:alnum:]+/]+>)?: sieve: msgid=<[[:alnum:]":<>{}@=+/.,_!&\$%#~-]+>: forwarded to <[[:alnum:]":@=\+\/.,_!&\$%#~-]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(aborted authentication\): method=PLAIN, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)(( handshaking)?(: Disconnected)?)?(, session=<[[:alnum:]/+]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(aborted authentication\): method=PLAIN, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)(: SSL_read\(\) syscall failed: Connection reset by peer)?(, session=<[[:alnum:]/+]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]+>, method=(PLAIN|LOGIN), rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL): (Connection closed|Disconnected), session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]+>, method=(PLAIN|LOGIN), rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL): (Disconnected)? SSL_read\(\) syscall failed: Connection reset by peer, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, method=(PLAIN|LOGIN), rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL): read\(size=[[:digit:]]+\) failed: Connection reset by peer, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, method=(PLAIN|LOGIN), rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS, )?session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS, )?session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? (Connection closed|Disconnected), session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? read\(size=[[:digit:]]+\) failed: Connection reset by peer, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1407609C:SSL routines:SSL(2)?3_GET_CLIENT_HELLO:http request, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:140760FC:SSL routines:SSL(2)?3_GET_CLIENT_HELLO:unknown protocol, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:14076102:SSL routines:SSL(2)?3_GET_CLIENT_HELLO:unsupported protocol, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1408A0C1:SSL routines:SSL(2)?3_GET_CLIENT_HELLO:no shared cipher, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1408A10B:SSL routines:SSL(2)?3_GET_CLIENT_HELLO:wrong version number, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1408F09C:SSL routines:ssl(2)?3_get_record:http request, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1408F10B:SSL routines:ssl(2)?3_get_record:wrong version number, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:140940F5:SSL routines:ssl(2)?3_read_bytes:unexpected record, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:140943F2:SSL routines:SSL(2)?3_READ_BYTES:sslv3 alert unexpected message: SSL alert number 10, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:14094412:SSL routines:SSL(2)?3_READ_BYTES:sslv3 alert bad certificate: SSL alert number 42, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:14094416:SSL routines:ssl(2)?3_read_bytes:sslv3 alert certificate unknown: SSL alert number 46, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:14094416:SSL routines:SSL(2)?3_READ_BYTES:sslv3 alert certificate unknown: SSL alert number 46, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:14094418:SSL routines:ssl(2)?3_read_bytes:tlsv1 alert unknown ca: SSL alert number 48, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:14094418:SSL routines:SSL(2)?3_READ_BYTES:tlsv1 alert unknown ca: SSL alert number 48, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1409442E:SSL routines:ssl(2)?3_read_bytes:tlsv1 alert protocol version: SSL alert number 70, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:140A1175:SSL routines:ssl_bytes_to_cipher_list:inappropriate fallback, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1417D0FC:SSL routines:tls_process_client_hello:unknown protocol, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? failed: error:1417D18C:SSL routines:tls_process_client_hello:version too low, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(((no auth|auth failed, [[:digit:]]+) attempts in [[:digit:]]+ secs|client didn't finish SASL auth, waited 0 secs|disconnected before auth was ready, waited 0 secs)?\): user=<[[:alnum:]@_.-]*>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(?\)? syscall failed: (Broken pipe|Connection reset by peer|Success)(, session=<[[:alnum:]/+]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(disconnected before greeting, waited 0 secs\): user=<>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? \(disconnected before greeting, waited 0 secs\): user=<>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS|SSL)( handshaking)?(:)? SSL_(accept|read)\(\) syscall failed: Connection reset by peer(, session=<[[:alnum:]/+]+>)?$
^\w{3} [ :[:digit:]]{11} [._[: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} [ :[:digit:]]{11} [._[: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} [ :[:digit:]]{11} [._[: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, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[: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)?: Disconnected, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[: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} [ :[:digit:]]{11} [._[: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: SSL_read\(\) syscall failed: Connection reset by peer, session=<[[:alnum:]/+]+>$
^\w{3} [ :[:digit:]]{11} [._[: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:]/+]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Login: user=<[-_.@[:alnum:]]+>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+(,( mpid=[[:digit:]]+,)? (TLS( handshake)?|secured))?(, session=<[[:alnum:]/+]+>)?$