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bogofilter

Fast Bayesian spam filter for mail systems

Mail Servers ★ 100 stars Medium setup GPL-3.0

bogofilter is a mail filter that classifies messages as spam or non-spam using statistical Bayesian analysis. It is fast, low-overhead, and integrates into mail delivery pipelines.

Key features

  • Bayesian spam classification
  • Fast and low overhead
  • Trainable filter
  • Pipeline integration

Strengths

  • Released under the GPL-3.0 license
  • Written in C
  • Tiny footprint — runs in 64 MB RAM

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