Merge pull request #552 from carljm/fix-fail2ban-dovecot

Fix fail2ban dovecot config.

roles/common/templates/etc_fail2ban_jail.local.j2

 enabled = true
 filter = dovecot-pop3imap
 action = iptables-multiport[name=dovecot-pop3imap, port="pop3,imap,993,995", protocol=tcp]
-logpath = /var/log/maillog
+logpath = /var/log/mail.log
 maxretry = 20
 findtime = 1200
 bantime = 1200