Apache SpamAssassin: Welcome
Apache SpamAssassin is the #1 Open Source anti-spam platform giving system administrators a filter to classify email and block spam.
SpamAssassin is a powerful open-source email filter that uses a variety of techniques to identify and block spam. It is highly configurable and can be integrated with a wide range of email systems. SpamAssassin employs a combination of rule-based filtering, Bayesian filtering, and other advanced techniques to effectively identify spam messages. It is widely used by individuals, businesses, and service providers to reduce the amount of unwanted email.
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Website Key Features
Rule-based Filtering
Uses a comprehensive set of rules to identify spam based on message content and headers.
Bayesian Filtering
Learns from the messages you receive to improve its spam detection over time.
Network Tests
Checks the sender's IP against various DNS-based blocklists.
Header Analysis
Examines email headers for signs of forgery or common spammer tactics.
Content Analysis
Analyzes the body of the email for spam-like characteristics.
Auto-whitelisting
Automatically adjusts filtering based on the sender's history.
Modular Design
Allows for easy integration with various mail transfer agents and other software.
Customizable Rules
Users can add their own rules to tailor the filtering to their specific needs.
Support for Plugins
Extends functionality through a plugin architecture.
Multi-language Support
Can filter spam in multiple languages.
Additional information
License
Apache License 2.0
Operating System
Cross-platform
Development Status
Active
Repository
https://gitbox.apache.org/repos/asf/spamassassin.git
Mailing Lists
Available for users and developers
Documentation
Comprehensive documentation available on the website
Community Support
Active community forums and IRC channels
Commercial Support
Available through third-party vendors
HTTP headers
Security headers report is a very important part of user data protection. Learn more about http headers for spamassassin.apache.org