2006-02-26 googleの写真食堂 http://staff.miyakyo-u.ac.jp/~m-taira/Lecture/spamassassin.html bogofilter http://uva.jp/dh/mt/archives/000509.htmlhttp://www.ono.org/software/bogofilter/http://www.fkimura.com/bogofilter1.html