Apache SpamAssassin Free plan 9.1 Visit SpamSieve
c-command.com
Spec sheet
- Purpose
- SpamSieve adds spam filtering to an e-mail client on a Mac.Read 8 Oct 2026 · c-command.com
- Privacy
- Mail data stays on the Mac; SpamSieve does not need mail account login access and does not transmit mail data elsewhere.Read 8 Oct 2026 · c-command.com
- Support
- The maker offers individualized support by email and provides a user forum, manual, and mailing list.Read 8 Oct 2026 · c-command.com
- Maker
- C-Command Software was founded in January 2002 by Michael Tsai to develop Mac utilities and productivity applications.Read 8 Oct 2026 · c-command.com
- Contacts
- It integrates with the macOS Contacts app so messages from contacts are not marked as spam.Read 8 Oct 2026 · c-command.com
- Custom rules
- Users can create allowlist and blocklist rules matching message headers or body text, including with regular expressions.Read 8 Oct 2026 · c-command.com
- Email accounts
- It works with any mail provider or host, filters all mail accounts, and charges no extra fee for additional addresses or devices.Read 8 Oct 2026 · c-command.com
- Filtering
- It uses Bayesian spam filtering that adapts to the mail you receive.Read 8 Oct 2026 · c-command.com
- iPhone and iPad
- SpamSieve does not run on iOS, but a Mac running SpamSieve can filter mail that synchronizes to an iPhone or iPad using IMAP or Exchange.Read 8 Oct 2026 · c-command.com
- Mail integrations
- Supported current Mac mail programs include Apple Mail, Airmail, GyazMail, MailMate, MailMaven, and Outlook.Read 8 Oct 2026 · c-command.com
- Message inspection
- SpamSieve can decode encoded messages and inspect attachments for spam content.Read 8 Oct 2026 · c-command.com
- Purchase and upgrades
- The app is sold as a one-time purchase; maintenance releases and minor feature updates are free, while major upgrades may be discounted depending on purchase date.Read 8 Oct 2026 · c-command.com
- Requirements
- SpamSieve works with macOS 10.13 and later and requires a compatible Mac mail program.Read 8 Oct 2026 · c-command.com
- Unsupported clients
- Outlook Live and other browser-based mail are unsupported except through the listed Mac clients.Read 8 Oct 2026 · c-command.com
Plans and prices
SpamSieve $39.99, paid once One-time purchase One person or one computer; family or 2 users: $63.98; volume discounts available Read 8 Oct 2026 · c-command.com
Where Specifiction places it
- Email Anti-Spam Software#15 of 287.5
- Anti-spam Software#10 of 177.5
Alternatives to SpamSieveAll alternatives →
Apache SpamAssassin Free plan 9.1 Visit 
Mailprotector Free plan 8.4 Visit