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Using action.d/mail.conf to email you a notification on common activities such as: fail2ban service start, banning and unbanning an address. vi ./fail2ban/jail.localFind the line in the enabled action. An action can have multiple lines. Add a line under action = mail[name=postfix-sasl, dest=yourmailbox, sender=fail2ban@localhost, sendername="Fail2Ban SASL"]In this example, actions adding iptables rules for smtp attack will result in an email sent to yourmailbox.