fail2ban/config/filter.d/qmail.conf

# Fail2Ban configuration file
#
# Author: Cyril Jaquier
#
# $Revision: 267 $
#

[Definition]

# Option:  failregex
# Notes.:  regex to match the password failures messages in the logfile.
# Values:  TEXT
#
failregex = (?:[\d,.]+[\d,.] rblsmtpd: |421 badiprbl: ip )(?P<host>\S*)

# Option:  ignoreregex
# Notes.:  regex to ignore. If this regex matches, the line is ignored.
# Values:  TEXT
#
#ignoreregex = user: myusername