Overview
jASEN is a pure java Anti Spam ENgine combining bayesian-like scanning with intelligent
email inspection and classification
jASEN is best suited to developers wishing to
integrate anti-spam services into an existing server based java email application, but can be used for client applications
History
The jASEN project started after the now famous
article
published by Paul Graham
spawned a range of new anti-spam technologies based on
Bayesian
classification
Subsequent enhancements
were made to the original proposal, with a significant
improvement
proposed by Gary Robinson which replaced the standard Bayesian
approach with a superior* Chi Square computation, which was then further
improved
Unfortunately almost all of the implementations of these approaches which followed were either commercial,
or non-java. Thus jASEN was created to provide a free, extensible, pure java implementation of the
wonderful work done by these (and many other) people
*in our humble opinion
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