C-Command Software's powerful Bayesian email filtering tool SpamSieve has been bumped to version 2.8.3. The update adjusts SpamSieve's tokenizer to make the spam filter even more accurate. In addition, SpamSieve now supports pre-release versions of Apple Mail, MailForge, and the upcoming Microsoft Outlook 2011. A few issues with installing the SpamSieve Apple Mail plug-in have been corrected, too. Full release notes are available. ($30 new, free update, 7.1 MB)
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Encrypted Screen Sharing in Snow Leopard
In Snow Leopard, screen sharing in iChat can now be encrypted if both parties sharing a screen have MobileMe accounts and have enabled encryption (iChat > Preferences > Accounts > Security).