When used with Apple Mail, the background launch agent now correctly identifies itself as "SpamSieve" rather than "C-Command Software" in System Settings.

Unlike server-side filters, all processing is done locally on your Mac; the app does not require access to your login credentials or transmit your mail data elsewhere.

Renamed "Preferences" to "Settings" to match system changes and improved diagnostic reporting.

Improved error messaging for AppleScript failures during training. User Sentiment C-Command Software Blog - SpamSieve 2.9.51

By running SpamSieve on a Mac that stays on, it can filter spam for your iPhone and iPad by cleaning the server-side inbox before your mobile devices fetch the mail. What's New in 2.9.51

This specific update introduced minor but useful refinements for users on newer systems at the time: