Apache SpamAssassin
Rule-based and Bayesian anti-spam mail filter
Apache SpamAssassin is a mature anti-spam platform that scores email using a combination of header tests, Bayesian filtering, DNS blocklists, and external services. It can run as a daemon for mail servers.
Key features
- Multi-technique spam scoring
- Bayesian and rule-based
- DNS blocklist support
- Plugin architecture
Strengths
- Released under the Apache-2.0 license
- Written in Perl
- Tiny footprint — runs in 256 MB RAM
Apache SpamAssassin replaces
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