bsfilter is a spam filter using Bayesian(statistical) algorithm.

- a filter which distinguishes spam and non-spam mail
- support mails written in English and Japanese language
- written in Ruby
- support 3 methods for access
-- traditional unix-style filter. study and judge local files or pipe
-- IMAP. study and judge mails in an IMAP server. IMAP over SSL supported
-- POP proxy. run between POP server and MUA. POP over SSL supported
- distributed under GPL

Author:	nabeken
WWW:	http://bsfilter.org/index-e.html