The following lines were added (+) and removed (-):
vi ./fail2ban/jail.local Find 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.