Michael Tsai has released SpamSieve 2.4.4, an update to his Bayesian spam filtering utility for popular email clients such as Apple Mail, Mailsmith, Entourage, PowerMail, and Eudora. The new version offers: various changes to improve SpamSieve’s accuracy, particularly when processing blank messages, HTML messages, and messages containing images; the Apple Mail Train as Good command can now move messages out of submailboxes of the Junk mailbox; can now auto-recover from damaged message store files, rather than complaining to the user about them; and much more. SpamSieve is priced at US$25 and requires Mac OS X 10.2 or later (10.3.5 or later recommended).