Welcome to SpamAssassin

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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)Spam. SpamAssassin uses a variety of mechanisms including header and text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases.

What's new?

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  *New Release:* On Wednesday, 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

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  *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?

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    [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:

SpamAssassin runs on a server, and filters spam before it reaches your mailbox. Read more about SpamAssassin.

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Spamassassin Help

• How to Start Using SpamAssassin: a quick guide
• Frequently Asked Questions
• Using Spamassassin already? Tips and Tricks and other Documentation
• Integrating Spamassassin with your Mail Transfer Agent (MTA)
• Mailing Lists and other methods of contacting us
• Testimonials - We all love SpamAssassin
• Third-Party Software for SpamAssassin (plugins, rulesets)
• Other Tricks for getting rid of spam

Get Involved

Want to be part of the process and contribute to the development of SpamAssassin software or SpamAssassin documentation? You to can become part of the team. Here's how:

• We love Volunteers - You can help improve SpamAssassin
• Development Information for
• WeLoveVolunteers: help improve SpamAssassin
• ThirdPartySoftware: for SpamAssassin
• DevelopmentStuff: for developers and those interested in the development process

Starting Points: FAQs, List of labels used for pages in this online manual, and Information about installing.

Editing This Wiki

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