SpamSieve (@spamsieve) header
SpamSieve (@spamsieve) profile picture

Adds powerful Bayesian spam filtering to Mac e-mail clients. On Mastodon at @spamsieve@indieapps.space.

for macOS
Joined August 2007
Photo by SpamSieve (@spamsieve)Photo by SpamSieve (@spamsieve)Photo by SpamSieve (@spamsieve)
SpamSieve 3.3.2 has updated compatibility information for Outlook, improves remote training, can export more rule information, improves uninstallation, help, and more: c-command.com/blog/2026/09/1…
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SpamSieve 3.3.1 improves SpamSieve’s filtering accuracy, makes various memory and performance optimizations, updates code for macOS 27, fixes bugs, and more: c-command.com/blog/2026/07/1…
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Replying to @spamsieve @mjtsai
Long time user, great app.
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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: c-command.com/blog/2026/04/1…
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Get #BlackFriday deals on @SpamSieve (Mac e-mail filtering), @EagleFiler (file/notes organizer and mail/web archiver), and @DropDMG (disk images and archives). c-command.com/store/sale
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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: c-command.com/blog/2025/11/1…
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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: c-command.com/blog/2025/10/0…
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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: c-command.com/blog/2025/09/1…
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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: c-command.com/blog/2025/05/2…
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Replying to @alx
Get SpamSieve if you use Mac. God send
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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: c-command.com/blog/2025/03/3…
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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: c-command.com/blog/2025/02/0…
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Get #BlackFriday deals on @SpamSieve (Mac e-mail filtering), @EagleFiler (file/notes organizer and mail/web archiver), and @DropDMG (disk images and archives). c-command.com/store/sale
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If you run a Mac, you need SpamSieve, no question. Been blessed to have been a tester from the beginning, and it has made the email life so, so much better.
SpamSieve 3.1 improves the mail filtering accuracy and includes various user interface and robustness enhancements, bug fixes, and documentation updates: c-command.com/blog/2024/11/2…
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SpamSieve 3.1 improves the mail filtering accuracy and includes various user interface and robustness enhancements, bug fixes, and documentation updates: c-command.com/blog/2024/11/2…
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My computer with SpamSieve (c-command.com/spamsieve/) went down last night thanks to local construction chaos. So I had to sort an extra 63 spam messages this morning. Failure reminds you of the importance of great tools! @mjtsai
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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. c-command.com/blog/2024/07/0…
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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. c-command.com/blog/2024/05/1…
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Thanks to @howardnoakley for a great review of SpamSieve 3 in Mac|Life magazine: c-command.com/spamsieve/pres…
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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. c-command.com/blog/2023/12/2…
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