postfix-sasl failregex case insensitive
Added an item to "Fixes"
downcase example
Monit config

Copy it to `/etc/monit/monitrc.d/fail2ban`
More info: https://github.com/szepeviktor/debian-server-tools/blob/master/monitoring/monit/monit-debian-setup.sh#L113
Update ChangeLog
Merge pull request #896 from szepeviktor/patch-3

Monit config
Merge branch 'patch-2' of https://github.com/szepeviktor/fail2ban

* 'patch-2' of https://github.com/szepeviktor/fail2ban:
  downcase example
  Added an item to "Fixes"
  postfix-sasl failregex case insensitive