[dovecot-pop3imap] enabled = true filter = dovecot-pop3imap action = iptables-multiport[name=dovecot-pop3imap, port="pop3,pop3s,imap,imaps", protocol=tcp] # optionaly mail notification # mail[name=dovecot-pop3imap, dest=root@domain] # see /etc/fail2ban/action.d/ or Fail2Ban doc logpath = /var/log/mail.log maxretry = 20 findtime = 1200 bantime = 1200