Spam Assassin

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Spam Assassin
Tests mail headers and body texts to detect spam

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


version 3.4.1 (stable)
released on 30 April 2015

VCS Checkout


Related Projects


LicenseVerified byVerified onNotes
PerlJanet Casey15 November 2001

Leaders and contributors

See for a complete list Contributor
Justin Mason Maintainer

Resources and communication

AudienceResource typeURI
Bug Tracking,Developer,SupportMailing List Info/Archive
DeveloperVCS Repository Webview

Software prerequisites

Required to useNet_DNS (
Required to useMail_Audit

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


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