Apache SpamAssassin

Apache SpamAssassin is an open-source software platform designed to filter and predict spam email. It uses a variety of techniques, including text analysis, statistical analysis, and machine learning, to assess whether an email is likely to be spam. Here are some key features and aspects of SpamAssassin: 1. **Rule-Based Filtering**: SpamAssassin employs a wide range of predefined and user-defined rules to evaluate incoming messages.