Fix typo in fail2ban config for dovecot.

roles/common/templates/etc_fail2ban_jail.local.j2

@@ -28,7 +28,7 @@ maxretry = 1
 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