Apache SpamAssassin is a user-friendly email utility which examines incoming mail for different spam characteristics. It uses various network tests and spam filtering to get an overall score in order to decide whether the mail should be considered as spam or not.
To enable Apache SpamAssassin utility, follow the next steps:
1. Log in to your cPanel and navigate to Email section.
2. Click on the Spam Filters menu:
3. Click the toggle button near “Process New Email and Mark them as Spam” to enable the feature.