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Apache SpamAssassin

Apache SpamAssassin is a computer program used for e-mail spam filtering. It uses a variety of spam-detection techniques, including DNS and fuzzy checksum techniques, Bayesian filtering, external programs, blacklists and online databases. It is released under the Apache License 2.0 and is a part of the Apache Foundation since 2004.

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Developer
Apache Software Foundation
License
Apache License 2.0
Operating system
Cross-platform
Release
April 20, 2001; 25 years ago (2001-04-20)
Repository
SpamAssassin Repository
Stable release
4.0.2 / 30 August 2025; 11 months ago (30 August 2025)

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Overview

History

Methods of usage

Operation

Network-based filtering methods

Licensing

Sa-compile

Testing

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Map overview Semantic statistics

Apache SpamAssassin

Nodes56
Edges55
Triples77
Avg. degree1.96
Density0.035714
Components1

How this topic connects Entity context

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Apache SpamAssassin

Top relations

has method · 24
Apache SpamAssassin → Amavis, Cloudmark Authority, CPAN, Distributed Checksum Clearinghouse, DNS-based, DomainKeys Identified MailURI, Exiscan, Hashcash, It, Mail, MailScanner, March, Milter, MIMEDefang, Perl-based, Policy Framework, SA-Exim, SpamAssassin, SURBL, The
related to Licensing · 10
Apache SpamAssassin → Apache License, Artistic License, GNU General Public License, Kerio, Kerio MailServer, Many, McAfee, SpamAssassin, SpamKiller, Versions
related to history · 9
Apache SpamAssassin → Apache Software Foundation, April, August, In Summer, Jeftovic's, Justin Mason, Mark Jeftovic, Mason, SourceForge
related to Bayesian filtering · 6
Apache SpamAssassin → Alternatively, Bayesian, For, Regardless, SpamAssassin's Bayesian, Typically
related to External links · 5
Apache SpamAssassin → Apache SpamAssassinKAM, KAM Ruleset, Official, SpamAssassin WikiApache SpamAssassin Rule, Updates Wiki Automatically
related to Operation · 4
Apache SpamAssassin → Each, Most, SpamAssassin, The
related to Testing · 4
Apache SpamAssassin → EICAR, GTUBE, If, RFC
Developer · 1
Apache SpamAssassin → Apache Software Foundation
License · 1
Apache SpamAssassin → Apache License 2.0
Operating system · 1
Apache SpamAssassin → Cross-platform

Important terminology Word statistics

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Important terminology

spamassassin apache spam mail filter message score used also filtering program bayesian software license user rules programs foundation based tests

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Apache SpamAssassinDeveloperApache Software Foundation1.00infobox
Apache SpamAssassinLicenseApache License 2.01.00infobox
Apache SpamAssassinOperating systemCross-platform1.00infobox
Apache SpamAssassinReleaseApril 20, 2001; 25 years ago (2001-04-20)1.00infobox
Apache SpamAssassinRepositorySpamAssassin Repository1.00infobox
Apache SpamAssassinStable release4.0.2 / 30 August 2025; 11 months ago (30 August 2025)1.00infobox
Apache SpamAssassinTypeSpam filter1.00infobox
Apache SpamAssassinWebsitespamassassin.apache.org1.00infobox
Apache SpamAssassinWritten inPerl, C1.00infobox
Apache SpamAssassinis acomputer program used for e-mail spam filtering0.90text
procmail can be made to pipe all incoming mail through Apache SpamAssassin with an adjustment to a user's procmailrc fileinstance ofMail filter programs0.80text
the Distributed Checksum Clearinghouseinstance ofDNS-based blacklists and DNS-based whitelistsFuzzy-checksum-based spam detection filters0.80text

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