Nov 1, 2018

Apache SpamAssassin is the #1 Open Source anti-spam platform

Apache SpamAssassin is the #1 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.

Apache SpamAssassin is a project of the Apache Software Foundation (ASF).

  • Click here to get started using SpamAssassin!
  • Looking for tips to improve your existing installation? Click here for a variety of topics in our Wiki that might help.
  • Sent here because you received an e-mail message which was modified by SpamAssassin? Please read this end-user notice.