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Spam Assassin

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Spam Assassin
SpamAssassin is a mail filter that uses heuristic tests on mail headers and body text to identify spam. Mail can then be optionally tagged as spam for later filtering using the user's own mail user-agent application. The program has a command line tool to perform filtering, as well as Mail::SpamAssassin, a set of Perl modules which implement a Mail::Audit plugin; this lets SpamAssassin be used in a Mail::Audit filter or in a spam-protection proxy POP/IMAP server.


User README available from


Download version 3.4.1 (stable)
released on 30 April 2015

VCS Checkout


Related Projects


LicenseVerified byVerified onNotes
PerlJanet Casey15 November 2001

Leaders and contributors

Justin Mason Maintainer
See for a complete list Contributor

Resources and communication

Audience Resource type URI
Developer VCS Repository Webview
Bug Tracking,Developer,Support Mailing List Info/Archive

Software prerequisites

Kind Description
Required to use Mail_Audit
Required to use Net_DNS (

This entry (in part or in whole) was last reviewed on 14 January 2017.


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