### grok-postfix
### https://github.com/padusumilli/postfix-grok/blob/master/postfix-grok-patterns

# Syslog stuff
PROCESS ([\w._\/%-]+)
COMPID postfix\/%{PROCESS:process}(?:\[%{NUMBER:pid}\])?
POSTFIX (?:%{SYSLOGTIMESTAMP:timestamp}|%{TIMESTAMP_ISO8601:timestamp8601}) (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} %{COMPID}:

# Postfix stuff
HELO (?:\[%{IP:helo}\]|%{HOSTNAME:helo}|%{DATA:helo})
QUEUEID (?:[A-F0-9]+|NOQUEUE)
EMAILADDRESSPART [a-zA-Z0-9_.+-=:~]+
EMAILADDRESS %{EMAILADDRESSPART:local}@%{EMAILADDRESSPART:remote}
RELAY (?:%{HOSTNAME:relayhost}(?:\[%{IP:relayip}\](?::%{BASE10NUM:relayport}?)?)?)
POSREAL [0-9]+(.[0-9]+)?
DSN %{NONNEGINT}.%{NONNEGINT}.%{NONNEGINT}
STATUS sent|deferred|bounced|expired
PERMERROR 5[0-9]{2}
MESSAGELEVEL reject|warning|error|fatal|panic

POSTFIXSMTPMESSAGE %{MESSAGELEVEL}: %{GREEDYDATA:reason}
POSTFIXACTION discard|dunno|filter|hold|ignore|info|prepend|redirect|replace|reject|warn

# postfix/smtp and postfix/lmtp, postfix/local and postfix/error
POSTFIXSMTP %{POSTFIXSMTPRELAY}|%{POSTFIXSMTPCONNECT}|%{POSTFIXSMTP5XX}|%{POSTFIXSMTPREFUSAL}|%{POSTFIXSMTPLOSTCONNECTION}|%{POSTFIXSMTPTIMEOUT}

POSTFIXSMTPRELAY %{QUEUEID:qid}: to=<%{DATA:to}>,(?:\sorig_to=<%{DATA:orig_to}>,)? relay=%{RELAY},(?: delay=%{POSREAL:delay},)?(?: delays=%{DATA:delays}?,)?(?: conn_use=%{POSREAL:conn_use},)?( %{WORD}=%{DATA},)+? dsn=%{DSN:dsn}, status=%{STATUS:status} (?:\(connect to %{POSTFIXSMTPCONNECTDEFERRED}|%{GREEDYDATA:reason})

POSTFIXSMTPCONNECT connect to %{RELAY}: %{GREEDYDATA:reason}
POSTFIXSMTPCONNECTDEFERRED %{RELAY}: %{GREEDYDATA:reason}\)
POSTFIXSMTP5XX %{QUEUEID:qid}: to=<%{EMAILADDRESS:to}>,(?:\sorig_to=<%{EMAILADDRESS:orig_to}>,)? relay=%{RELAY}, (%{WORD}=%{DATA},)+ dsn=%{DSN:dsn}, status=%{STATUS:status} \(host %{HOSTNAME}\[%{IP}\] said: %{PERMERROR:responsecode} %{DATA:smtp_response} \(in reply to %{DATA:command} command\)\)
POSTFIXSMTPREFUSAL %{QUEUEID:qid}: host %{RELAY} refused to talk to me: %{GREEDYDATA:reason}
POSTFIXSMTPLOSTCONNECTION %{QUEUEID:qid}: lost connection with %{RELAY} while %{GREEDYDATA:reason}
POSTFIXSMTPTIMEOUT %{QUEUEID:qid}: conversation with %{RELAY} timed out while %{GREEDYDATA:reason}

# postfix/smtpd
POSTFIXSMTPD %{POSTFIXSMTPDCONNECTS}|%{POSTFIXSMTPDACTIONS}|%{POSTFIXSMTPDTIMEOUTS}|%{POSTFIXSMTPDLOGIN}|%{POSTFIXSMTPDCLIENT}|%{POSTFIXSMTPDNOQUEUE}|%{POSTFIXSMTPDWARNING}|%{POSTFIXSMTPDLOSTCONNECTION}
POSTFIXSMTPDCONNECTS (?:dis)?connect from %{RELAY}
POSTFIXSMTPDACTIONS %{QUEUEID:qid}: %{POSTFIXACTION:postfix_action}: %{DATA:command} from %{RELAY}: %{PERMERROR:responsecode} %{DSN:dsn} %{DATA}: %{DATA:reason}; from=<%{EMAILADDRESS:from}> to=<%{EMAILADDRESS:to}> proto=%{DATA:proto} helo=<%{HELO}>
POSTFIXSMTPDTIMEOUTS timeout after %{DATA:command} from %{RELAY}
POSTFIXSMTPDLOGIN %{QUEUEID:qid}: client=%{DATA:client}, sasl_method=%{DATA:saslmethod}, sasl_username=%{GREEDYDATA:saslusername}
POSTFIXSMTPDCLIENT %{QUEUEID:qid}: client=%{GREEDYDATA:client}
POSTFIXSMTPDNOQUEUE NOQUEUE: %{POSTFIXACTION:postfix_action}: %{DATA:command} from %{RELAY}: %{GREEDYDATA:reason}
POSTFIXSMTPDWARNING warning:( %{IP}: | hostname %{HOSTNAME} )?%{GREEDYDATA:reason}
POSTFIXSMTPDLOSTCONNECTION (?:lost connection after %{DATA:smtp_response} from %{RELAY}|improper command pipelining after HELO from %{GREEDYDATA:reason})

# postfix/cleanup
POSTFIXCLEANUP %{POSTFIXCLEANUPMESSAGE}
POSTFIXCLEANUPMESSAGE %{QUEUEID:qid}: (resent-)?message-id=%{GREEDYDATA:messageid}

# postfix/bounce
POSTFIXBOUNCE %{QUEUEID:qid}: sender (non-)?delivery( status)? notification: %{QUEUEID:bouncequeueid}

# postfix/qmgr and postfix/pickup
POSTFIXQMGR %{QUEUEID:qid}: (?:removed|(?:uid=%{NUMBER:uid} )?from=<(?:%{DATA:from})?>(?:, size=%{NUMBER:size}, nrcpt=%{NUMBER:nrcpt} \(%{GREEDYDATA:queuestatus}\))?)

# postfix/anvil
POSTFIXANVIL statistics: %{GREEDYDATA:reason}

# postfix/trivial-rewrite
POSTFIXREWRITE warning: do not list domain %{DATA:domain} in BOTH mydestination and virtual_alias_domains

# Postfix wrap em up
PF %{POSTFIX} (?:%{POSTFIXSMTP}|%{POSTFIXANVIL}|%{POSTFIXQMGR}|%{POSTFIXBOUNCE}|%{POSTFIXCLEANUP}|%{POSTFIXSMTPD}|%{POSTFIXREWRITE})

### PLURA
PLURAPOSTFIXSMTP %{POSTFIXSMTPRELAY}|%{POSTFIXSMTP5XX}
PLURAPF %{POSTFIX} %{PLURAPOSTFIXSMTP}