Software Finder

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Spamato
Linux, Mac OS, WindowsAlternatives

A promising, free open source spam filter using a multifaceted spam filter system.

 spam-filter, spam-check, spam-killer    Internet Tools, Spam Filter    Free (Open source)
Editor Rating:
4
MailWasher Free
WindowsAlternatives

An email preview utility allows you to check your email on your mail server before download

 mail-filter, spam-blocker, spam-filter    Security & Privacy, Spam Filter    Free (Limited features)
Editor Rating:
4.5
K9
WindowsAlternatives

An email filtering application that works in conjunction with your regular POP3 email program.

 spam-filter, spam-check, spam-killer    Internet Tools, Spam Filter    Free
Editor Rating:
3
POPFile
Linux, Mac OS, WindowsAlternatives

One of the best that works as a proxy mail server for use with any POP email client.

 spam-filter, spam-check, spam-killer    Internet Tools, Spam Filter    Free (Open source)
Editor Rating:
4.5
SpamBayes
Linux, Mac OS, WindowsAlternatives

An excellent free Bayesian spam filter supporting POP3 and IMAP protocols.

 spam-filter, spam-check, spam-killer    Internet Tools, Spam Filter    Free (Open source)
Editor Rating:
3.5