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7 years ago
# Fail2Ban filter to block relay attempts though a Courier smtp server
#
#
[INCLUDES]
# Read common prefixes. If any customizations available -- read them from
# common.local
before = common.conf
[Definition]
_daemon = courieresmtpd
failregex = ^%(__prefix_line)serror,relay=<HOST>,.*: 550 User (<.*> )?unknown\.?$
^%(__prefix_line)serror,relay=<HOST>,msg="535 Authentication failed\.",cmd:( AUTH \S+)?( [0-9a-zA-Z\+/=]+)?(?: \S+)$
ignoreregex =
# Author: Cyril Jaquier