SpamAssassin Wiki

SpamAssassin is a mature, widely-deployed open source project that serves as a mail filter to identify spam, also known as unsolicited commercial email (UCE). SpamAssassin uses a variety of mechanisms including header and text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases.

What's new?

• New Release: On 2004-10-22, SpamAssassin 3.0.1 was released. [http://spamassassin.apache.org/downloads.cgi?update=200410222000 Download now]. See full ["changes301"].

• Release: On 2004-09-22, SpamAssassin 3.0.0 was released: [http://issues.apache.org/eyebrowse/ReadMsg?listName=users@spamassassin.apache.org&msgNo=16202 Release Announcement], [http://issues.apache.org/eyebrowse/ReadMsg?listName=users@spamassassin.apache.org&msgNo=16203 Release Notes and Information], UpgradeTo300 notes

• Conference: There will be three Spam{{`Assassin sessions at [http://www.apachecon.com/ ApacheCon 2004] in Las Vegas, Nevada, USA on 13-17 November 2004. There will be one 3-hour tutorial and two 1-hour talks on Spam}}`Assassin.

Getting started with SpamAssassin:

• What is SpamAssassin?
  
• Steps to start UsingSpamAssassin.
• UsedViaProcmail: Using Procmail with SpamAssassin
• Make use of other anti-spam projects: DnsBlocklists (using DNSBLs), UsingDcc, UsingRazor, and UsingPyzor.
• FrequentlyAskedQuestions: General questions, not errors (see FixingErrors for that)
• FixingErrors: Things that can go wrong and how to fix them
  

Using SpamAssassin:

• Losing emails?

  • FalsePositives: Is your ["Ham"] being matched incorrectly as ["Spam"]

  • AutoWhitelist: The SpamAssassin AWL
• Spam getting through?
  • BayesInSpamAssassin: Training the Bayesian learner
  • WritingRules: How to write and test new rules
  • Third party "drop-in" CustomRulesets and CustomPlugins
• Learn more:
  • BooksAboutSpamAssassin: Published books that discuss SpamAssassin.
    

Get Involved:

• WeLoveVolunteers: help improve SpamAssassin
• ThirdPartySoftware: for SpamAssassin
• DevelopmentStuff: for developers and those interested in the development process
• Help edit our CollaborativeManual (our Wiki).