• Fixed a regression in version 2.7 where SpamSieve was slow loading certain large corpus files when running on Mac OS X 10.5.
• Worked around a bug in Mac OS X 10.4 that could cause a crash when training a message with Apple Mail.
• Made some minor accuracy improvements.

• Now requires Mac OS X 10.4 or later.
• Made a variety of accuracy improvements, focused on dealing with obfuscations, image attachments, URLs, and HTML.
• Improved corpus speed and memory use.
• Made various improvements to the column widths and alignments in the rules and corpus windows, and added alternating row colors.
• Fixed a rare problem where Apple Mail on Mac OS X 10.5 might hang if you trained a message as spam while Mail was downloading messages.
• If the OS reports an error when playing a sound as an alert sound, SpamSieve now plays it using the normal sound channel.
• Increased the range of possible values for the uncertain spam threshold.
• Improved sorting of sound names in the pop-up menu.
• Fixed bug where SpamSieve wouldn’t launch if the Microsoft User Data folder had been replaced by an alias file that was invalid.
• No longer shows the Reset Corpus/History alert at launch if you hold down other modifier keys in addition to Command-Option.
• Updated the Dutch localization.

• Made various accuracy improvements.
• Rewrote internal corpus storage to work around a performance bug in Mac OS X 10.5 that could, in some circumstances, make SpamSieve very slow to launch.
• Worked around a problem on Mac OS X 10.5 where the Apple Mail plug-in would sometimes try to launch multiple copies of SpamSieve (and then they’d all self-quit, leading to -609 errors).
• Made some internal changes so that Use Growl global notification system works more reliably on Mac OS X 10.5.
• The Flash PowerMate notification feature now works with version 2.1 of the PowerMate software.
• If SpamSieve’s corpus file or history database is damaged, you can now hold down the Command and Option keys at launch to reset them.
• Growl notifications are now posted from a background thread, to speed up message filtering.
• Fixed bug where the open panel for the Import Addresses… command was slow.
• Worked around a problem that could cause corruption of SpamSieve’s Entourage scripts.
• Fixed rare crash when processing HTML messages.
• If SpamSieve is unable to install its Apple Mail plug-in, it now does a better job of helping you complete the installation manually.
• Integration with Apple Mail and Entourage no longer relies on the mydefaults command-line tool, since it had some limitations and there were occasional problems installing it.
• The software updater is better at handling invalid downloads folders.
• Added Dutch localization and updated the other localizations.

• Made various accuracy improvements.
• Rewrote internal corpus storage to work around a performance bug in Mac OS X 10.5 that could, in some circumstances, make SpamSieve very slow to launch.
• Worked around a problem on Mac OS X 10.5 where the Apple Mail plug-in would sometimes try to launch multiple copies of SpamSieve (and then they’d all self-quit, leading to -609 errors).
• Made some internal changes so that Use Growl global notification system works more reliably on Mac OS X 10.5.
• The Flash PowerMate notification feature now works with version 2.1 of the PowerMate software.
• If SpamSieve’s corpus file or history database is damaged, you can now hold down the Command and Option keys at launch to reset them.
• Growl notifications are now posted from a background thread, to speed up message filtering.
• Fixed bug where the open panel for the Import Addresses… command was slow.
• Worked around a problem that could cause corruption of SpamSieve’s Entourage scripts.
• Fixed rare crash when processing HTML messages.
• If SpamSieve is unable to install its Apple Mail plug-in, it now does a better job of helping you complete the installation manually.
• Integration with Apple Mail and Entourage no longer relies on the mydefaults command-line tool, since it had some limitations and there were occasional problems installing it.
• The software updater is better at handling invalid downloads folders.
• Added Dutch localization and updated the other localizations.

• Now requires Mac OS X 10.3 or later.
• Made various accuracy improvements.
• Added high-resolution version of the application icon.
• Adjusted the appearance of the status indicators (•, G, S) for better visibility in the Leopard Dock.
• Updated the default whitelist rules.
• Updated documentation for Mac OS X 10.5.
• Updated to PCRE 7.4.
• Improved compatibility with pre-release versions of Entourage 2008.
• The Train as Good command in Apple Mail now recognizes spam mailboxes whose names end with “Spam”, and it works with the Trash mailbox on Mac OS X 10.5.
• Worked around change in Apple Mail on Mac OS X10.5 that could cause the Train as Spam command not to move the messages.
• Fixed bug where the Apple Help didn’t work on Mac OS X 10.5.
• Fixed hang processing some pathological HTML spams.
• Fixed bug where Growl notification preferences got reset if you ran SpamSieve under different localizations.
• Fixed unnecessary Console logging when loading Entourage addresses.
• Updated Italian localization.

• Made more accuracy improvements for messages with attachments.
• Fixed a bug that could cause crashes when processing messages containing PDF attachments.
• Updated localizations.

• Made various accuracy improvements, particularly for messages with attachments.
• Improved compatibility with pre-release versions of Mac OS X 10.5 Leopard.
• Fixed bug where the Software Update checker didn’t always re-check for new updates.
• Restored progress bar when loading Entourage addresses.
• Updated the localizations.
• Improved the documentation.
• Fixed help book icon.

• Made changes to prevent a crash on Mac OS X 10.4.9 when quitting in response to a mail program quitting.
• Slight changes for better accuracy.
• Fixed regression where the Import Addresses… command didn’t always work for text files in the default encoding.
• Blocklist and whitelist rules that use Body (any text part) can now match text from the headers of bounced messages (which e-mail clients often display as part of the message body).
• The Software Update feature now checks whether the updated version can run on your installed version of Mac OS X.
• Better logging of messages that don’t have a sender.
• Fixed a threading bug.
• Made an optimization to the Apple Mail plug-in.
• Adjusted the setup instructions for Apple Mail to avoid problem with the Previous Recipients list.
• Modernized the crash reporter code.
• Updated the French and German localizations.

• Fixed regression where SpamSieve wouldn’t launch if you had a large number of Mac OS 9 sound files.
• Fixed bug where Thunderbird messages that were manually marked as junk weren’t moved to the junk folder. If you are using Thunderbird, first update to SpamSieve 2.6.1, then choose Install Thunderbird Plug-In from the SpamSieve menu to update the plug-in.
• Made change prevent crash on Mac OS X 10.4.9 when quitting in response to a mail program quitting.

Change List

• Made lots of changes to the parser and classifiers to improve accuracy, especially for HTML and image messages.

• The in-memory corpus representation is much more efficient, which should lead to lower memory use and greater speed.

• Rewrote the Software Update feature. When a new version is available, it can now show you the release notes. SpamSieve now downloads the new version itself, rather than relying on your browser. On 10.3 and later, the Download & Install button will cause SpamSieve to auto-update itself to the latest version.

• Improved accuracy on messages containing misspelled words.

• Now requires Mac OS X 10.2.8 or later.

• Auto-training now places a higher priority on corpus balance compared to learning from novel messages.

• Complete Change List: http://c-command.com/blog/2006/10/30/spamsieve-25/