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7 years ago
# Fail2Ban filter for postfix authentication failures
#
[INCLUDES]
before = common.conf
[Definition]
_daemon = postfix(-\w+)?/(?:submission/|smtps/)?smtp[ds]
failregex = ^%(__prefix_line)swarning: [-._\w]+\[<HOST>\]: SASL ((?i)LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed(:[ A-Za-z0-9+/:]*={0,2})?\s*$
ignoreregex = authentication failed: Connection lost to authentication server$
[Init]
journalmatch = _SYSTEMD_UNIT=postfix.service
# Author: Yaroslav Halchenko