Apache SpamAssassin is the Open Source anti-spam platform giving system administrators a filter to classify email and block spam (unsolicited bulk email). It uses a robust scoring framework and plug-ins to integrate a wide range of advanced heuristic and statistical analysis tests on email headers and body text including text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases.
To enable Apache SpamAssassin in Cpanel
Following steps to enable Apache SpamAssassin
1) Log into cPanel
2) Navigate to Mail Section
3) Click on Apache SpamAssassin™ option
4) Click on Enable Apache SpamAssassin™ button
Apache SpamAssassin is Enable!