Sample-postfix-sasl.conf
From Free Knowledge Base- The DUCK Project: information for everyone
# Fail2Ban configuration file [Definition] #Sample: Feb 5 14:26:24 localhost postfix/smtpd[23488]: warning: cust.static.213-180-183-101.cybernet.ch[213.180.183.101]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 failregex = .*postfix/\smtpd.*warning: .*\[<HOST>\]: SASL SASL (?:LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed ignoreregex =