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7 years ago
# Fail2Ban filter for sendmail authentication failures
#
[INCLUDES]
before = common.conf
[Definition]
_daemon = (?:sm-(mta|acceptingconnections))
failregex = ^%(__prefix_line)s\w{14}: (\S+ )?\[<HOST>\]( \(may be forged\))?: possible SMTP attack: command=AUTH, count=\d+$
ignoreregex =
# DEV Notes:
#
# Author: Daniel Black