Under the mail settings, if it is installed, you have the ability to turn on spam protection. Managed plans should have this installed by default.
- Login to Plesk
- Go to Domains and click the desired domain name
- Go to Mail and click the desired user
- Click SpamAssassin and apply your settings
Here is a video tutorial showing you the basic principles of SpamAssassin. We will work on a video specific to Plesk.


