Bogofilter is a Bayesian spam filter. In its normal mode of operation, it takes an email message or other text on standard input, does a statistical check against lists of `good` and `bad` words, and returns a status code indicating whether or not the message is spam.
Bogofilter is designed with fast algorithms, uses the Berkeley DB for fast startup and lookups, coded directly in C, and tuned for
...Licence : GPLKeywords : e-mail, spam, filter 
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