Bogofilter is an open source e-mail filter that classifies mail as spam or otherwise. The software does this by completing a statistical analysis (Bayesian technique) of the message’s header and content. After verification it returns a status code indicating whether or not the message is spam. The latest version 0.93.2 is stable and was released on the 4 December 2004.
The program is able to learn from the user‘s classifications and corrections to tweak the process. It is also designed for use from the command line. Other features include fast algorithms and its speed which means the program can be used by web sites that process a lot of mail.
- Bogofilter (http://www.gnu.org/directory/all/bogofilter.html) page at the Free Software Foundation.
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