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SpamSieve is a robust spam filter for major email clients that uses powerful Bayesian spam filtering.

SpamSieve understands what your spam looks like in order to block it all, but also learns what your legitimate messages look like to avoid confusion. SpamSieve only marks spam in your email client so you never lose any mail.

What's New

Version 2.9.22:
  • Works with Apple Mail under Mac OS X 10.11.1. It’s easiest if you update to SpamSieve 2.9.22 before updating to 10.11.1. In any case, if you don’t see the SpamSieve commands in Apple Mail’s Message menu, be sure to choose Install Apple Mail Plug-In from the SpamSieve menu. Otherwise, with the SpamSieve plug-in not installed, Mail will move good messages to the spam mailbox more...


  • OS X 10.6.8 or later
  • Works with:
    • Apple Mail
    • Airmail
    • Emailer
    • Entourage
    • Outlook 2011
    • Outlook Express
    • Eudora 5.2 or 6.x (Sponsored or Paid)
    • MailForge
    • MailMate
    • Mailsmith
    • GyazMail
    • Postbox
    • PowerMail
    • Thunderbird 2

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5 114


Current Version (2.x)


Downloads 155,840
Version Downloads 1,178
Type Internet / Email
License Shareware
Date 21 Oct 2015
Platform Intel 64 / OS X / Intel 32
Price $30.00
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