SpamSieve has been updated to version 2.9. This is a free update that includes the following changes:

• Added support for upcoming versions of Mac OS X.
• Made various changes to improve SpamSieve’s filtering accuracy.
• SpamSieve is now code-signed using a Developer ID certificate for Gatekeeper.
• When training an Exchange message as good in Apple Mail, SpamSieve is better at moving it to the proper inbox.
• Processing incoming messages with Outlook is more efficient. To take advantage of this change, choose Install Outlook Scripts from the SpamSieve menu.
• If you’ve used the SpamSieve - Change Settings command in Apple Mail to tell SpamSieve not to use a local spam mailbox, training a message as spam will now try to move the message to a spam mailbox on the same server account, rather than always using the first account.
• Added support for training messages as spam via Herald (version 2.1.2 and later), a notification plug-in for Apple Mail.
• When sorting spam messages by color in Apple Mail, you can now use Grey as a synonym for Gray.
• The score script command has a new auto training parameter that can be used to override the setting in the preferences on a case-by-case basis. This might be useful, for example, if you’re writing an AppleScript to triage messages that have already been classified, and you just want to get SpamSieve’s opinion without having to make any corrections.
• Adjusted the drone AppleScripts so that they’re easier to troubleshoot.
• If Apple Mail gives SpamSieve empty data for a message, the plug-in now assumes the message is good and does not pass it on to SpamSieve for analysis.
• Added support for Growl notifications via GNTP (requires Mac OS X 10.7 or later).
• SpamSieve is better at handling file permission errors.
• SpamSieve is better at handling errors when running helper tools.
• Improved SpamSieve’s ability to still function when the application package is damaged.
• Added the AddStandardRules esoteric preference, which lets you prevent SpamSieve from creating its built-in blocklist and whitelist rules if you prefer to manage the rules yourself.
• Fixed a bug that could reduce SpamSieve’s filtering accuracy for some messages with attached files.
• Made various improvements to the documentation.
• Updated the German localization.

For more information, please see the SpamSieve Manual.