We can be alerted by email when the plugin block a request. We can configure the typical fields of a common email message: subject, body, to and from fields. We can also include a line with the rule applied to the plugin to obtain more information about the attack type. To avoid inbox saturation we can configure the maximun number of emails that will be sending per day in the emails' limit field:
This feature is disabled by default because depends of our Joomla mail function. Be sure your email functions works fine before activate this feature. If this function is active and the mail function not works correctly, an attacker will get an error message.