SpamSieve

SpamSieve 3.3 improves SpamSieve’s filtering accuracy, adds more options for searching the corpus and log, and includes various other optimizations and bug fixes: https://c-command.com/blog/2026/04/13/spamsieve-3-3/

SpamSieve 3.2 has been updated for macOS Tahoe 26 and also adds more accurate spam filtering, remote training from iOS devices and unsupported Mac e-mail clients such as forthcoming versions of Microsoft Outlook, and lots more enhancements and fixes: https://c-command.com/blog/2025/09/18/spamsieve-3-2/

SpamSieve 3.2.2 improves SpamSieve’s filtering accuracy, adds more rule information in the Log, improves compatibility with macOS Tahoe 26, and includes various other optimizations and bug fixes: https://c-command.com/blog/2025/11/17/spamsieve-3-2-2/

SpamSieve 3.2.1 fixes some issues with POP accounts in Apple Mail, amongst other improvements for macOS Tahoe 26 and general fixes and enhancements for all macOS versions: https://c-command.com/blog/2025/10/03/spamsieve-3-2-1/

SpamSieve 3.1.1 improves the mail filtering accuracy, makes it easier to access the setup instructions and to train messages from within your mail client, speeds up table view operations throughout the app, and more: https://c-command.com/blog/2025/02/07/spamsieve-3-1-1/

SpamSieve 3.1.2 improves the mail filtering accuracy, the Log window, and the documentation. It also improves resiliency to crashes and fixes some bugs: https://c-command.com/blog/2025/03/31/spamsieve-3-1-2/

SpamSieve 3.1.3 improves the mail filtering accuracy, works with the new MailMaven e-mail client, improves the notification features and support for server junk filters, and includes various optimizations, bug fixes, and documentation improvements: https://c-command.com/blog/2025/05/29/spamsieve-3-1-3/

SpamSieve 3.1 improves the mail filtering accuracy and includes various user interface and robustness enhancements, bug fixes, and documentation updates: https://c-command.com/blog/2024/11/20/spamsieve-3-1/

SpamSieve 3.0.4 improves the reliability and responsiveness of filtering with Apple Mail. It also improves training, Microsoft Outlook support, handling of damaged databases, and includes lots of other bug fixes and documentation updates. https://c-command.com/blog/2024/05/17/spamsieve-3-0-4/

SpamSieve 3.0.3 makes filtering with Apple Mail on macOS 14 Sonoma more reliable and responsive. It also includes various bug fixes and documentation updates. https://c-command.com/blog/2023/12/27/spamsieve-3-0-3/

SpamSieve 3.0.5 improves the reliability and responsiveness of filtering with Apple Mail and Outlook. It also includes various user interface enhancements, bug fixes, and documentation updates. https://c-command.com/blog/2024/07/01/spamsieve-3-0-5/

Thanks to Howard Oakley for a great review of SpamSieve 3 in Mac|Life magazine: https://c-command.com/spamsieve/press