gnus: SpamAssassin back end

 
 9.17.6.8 SpamAssassin back end
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  -- Variable: spam-use-spamassassin
 
      Set this variable if you want ‘spam-split’ to use SpamAssassin.
 
      SpamAssassin assigns a score to each article based on a set of
      rules and tests, including a Bayesian filter.  The Bayesian filter
      can be trained by associating the ‘$’ mark for spam articles.  The
      spam score can be viewed by using the command ‘S t’ in summary
      mode.
 
      If you set this variable, each article will be processed by
      SpamAssassin when ‘spam-split’ is called.  If your mail is
      preprocessed by SpamAssassin, and you want to just use the
      SpamAssassin headers, set ‘spam-use-spamassassin-headers’ instead.
 
      You should not enable this if you use
      ‘spam-use-spamassassin-headers’.
 
  -- Variable: spam-use-spamassassin-headers
 
      Set this variable if your mail is preprocessed by SpamAssassin and
      want ‘spam-split’ to split based on the SpamAssassin headers.
 
      You should not enable this if you use ‘spam-use-spamassassin’.
 
  -- Variable: spam-spamassassin-program
 
      This variable points to the SpamAssassin executable.  If you have
      ‘spamd’ running, you can set this variable to the ‘spamc’
      executable for faster processing.  See the SpamAssassin
      documentation for more information on ‘spamd’/‘spamc’.
 
    SpamAssassin is a powerful and flexible spam filter that uses a wide
 variety of tests to identify spam.  A ham and a spam processors are
 provided, plus the ‘spam-use-spamassassin’ and
 ‘spam-use-spamassassin-headers’ variables to indicate to spam-split that
 SpamAssassin should be either used, or has already been used on the
 article.  The 2.63 version of SpamAssassin was used to test this
 functionality.