# 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\.$

ignoreregex = 

# Author: Cyril Jaquier
