Apache SpamAssassin is a mail filter that identifies SPAM. It is an intelligent e-mail filter that uses a diverse range of tests to identify unsolicited bulk e-mail, more commonly known as SPAM. These tests examine e-mail headers and content to classify e-mail with advanced statistical methods.
1. Login to your cPanel Account,
2. In the "Email" section, click on the "Apache SpamAssassin" icon.
3. Click on the "Enable Apache SpamAssassin" button.
Now, when you receive a SPAM message with SpamAssassin score of 5 or more, the e-mail will be automatically discarded by Spam Assassin.