# Fail2Ban filter for Postfix's RBL based Blocked hosts # # [INCLUDES] # Read common prefixes. If any customizations available -- read them from # common.local before = common.conf [Definition] _daemon = postfix(-\w+)?/smtpd failregex = ^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[\]: [45]54 [45]\.7\.1 Service unavailable; Client host \[\S+\] blocked\b ignoreregex = # Author: Lee Clemens