What if a user on your network has recently downloaded a virus onto their computer and they are now sending out emails that contain harmful malware to other people in the office? Until you solve the infection, you need a way to temporarily prevent the infected computer from sending out emails within the network.
Thankfully, FortiMail supports customizable access controls that can automatically reject emails from sources that you know to be infected.
This video covers how to block a knock threat from sending emails.
You can read the recipe for this video here.