* Apache SpamAssassin™ is a mail filter that identifies spam. It is an intelligent email filter that uses a diverse range of tests to identify unsolicited bulk email, more commonly known as spam. These tests examine email headers and content to classify email with advanced statistical methods. More information is available at spamassassin.apache.org .
To filter and delete Spam :
1- go to your cpanel link (your domain/cpanel) .
2- click on Apache Spam Assassin .
3- Choose Score Number .
(5 is the default setting. The higher the number, the more conservative the setting) .