spamassassin


DESCRIPTION
       SpamAssassin is an intelligent email filter which uses a diverse range
       of tests to identify unsolicited bulk email, more commonly known as
       "spam".  These tests are applied to email headers and content to
       classify email using advanced statistical methods.  In addition,
       SpamAssassin has a modular architecture that allows other technologies
       to be quickly wielded against spam and is designed for easy integration
       into virtually any email system.

SYNOPSIS
       For ease of access, the SpamAssassin manual has been split up into
       several sections.  If you're intending to read these straight through
       for the first time, the suggested order will tend to reduce the number
       of forward references.

       Extensive additional documentation for SpamAssassin is available,
       primarily on the SpamAssassin web site and wiki.

       You should be able to view SpamAssassin's documentation with your
       man(1) program or perldoc(1).

   OVERVIEW
           spamassassin              SpamAssassin overview (this section)

   CONFIGURATION
           Mail::SpamAssassin::Conf  SpamAssassin configuration files

   USAGE
           spamassassin-run          "spamassassin" front-end filtering script
           sa-learn                  train SpamAssassin's Bayesian classifier
           spamc                     client for spamd (faster than spamassassin)
           spamd                     spamassassin server (needed by spamc)

   DEFAULT PLUGINS
           Mail::SpamAssassin::Plugin::AutoLearnThreshold
           Mail::SpamAssassin::Plugin::Bayes
           Mail::SpamAssassin::Plugin::BodyEval
           Mail::SpamAssassin::Plugin::Check
           Mail::SpamAssassin::Plugin::DKIM
           Mail::SpamAssassin::Plugin::DNSEval
           Mail::SpamAssassin::Plugin::FreeMail
           Mail::SpamAssassin::Plugin::HTMLEval
           Mail::SpamAssassin::Plugin::HTTPSMismatch
           Mail::SpamAssassin::Plugin::Hashcash
           Mail::SpamAssassin::Plugin::HeaderEval
           Mail::SpamAssassin::Plugin::ImageInfo
           Mail::SpamAssassin::Plugin::MIMEEval
           Mail::SpamAssassin::Plugin::MIMEHeader
           Mail::SpamAssassin::Plugin::Pyzor
           Mail::SpamAssassin::Plugin::Razor2
           Mail::SpamAssassin::Plugin::RelayEval
           Mail::SpamAssassin::Plugin::ReplaceTags
           Mail::SpamAssassin::Plugin::SPF

USER MAILING LIST
       A users mailing list exists where other experienced users are often
       able to help and provide tips and advice.  Subscription instructions
       are located on the SpamAssassin web site.

CONFIGURATION FILES
       The SpamAssassin rule base, text templates, and rule description text
       are loaded from configuration files.

       Default configuration data is loaded from the first existing directory
       in:

       /var/lib/spamassassin/3.003002
       /usr/share/spamassassin
       /usr/share/spamassassin
       /usr/local/share/spamassassin
       /usr/share/spamassassin

       Site-specific configuration data is used to override any values which
       had already been set.  This is loaded from the first existing directory
       in:

       /etc/spamassassin
       /usr/etc/mail/spamassassin
       /usr/etc/spamassassin
       /usr/local/etc/spamassassin
       /usr/pkg/etc/spamassassin
       /usr/etc/spamassassin
       /etc/mail/spamassassin
       /etc/spamassassin

       From those three directories, SpamAssassin will first read files ending
       in ".pre" in lexical order and then it will read files ending in ".cf"
       in lexical order (most files begin with two numbers to make the sorting
       order obvious).

       In other words, it will read init.pre first, then 10_default_prefs.cf
       before 50_scores.cf and 20_body_tests.cf before 20_head_tests.cf.
       Options in later files will override earlier files.

       Individual user preferences are loaded from the location specified on
       the "spamassassin", "sa-learn", or "spamd" command line (see respective
       manual page for details).  If the location is not specified,
       ~/.spamassassin/user_prefs is used if it exists.  SpamAssassin will
       create that file if it does not already exist, using
       user_prefs.template as a template.  That file will be looked for in:

       /etc/spamassassin
       /usr/etc/mail/spamassassin
       /usr/share/spamassassin
       /etc/spamassassin
       /etc/mail/spamassassin
       /usr/local/share/spamassassin
       /usr/share/spamassassin
       tagged as spam.

       If an incoming message is tagged as spam, instead of modifying the
       original message, SpamAssassin will create a new report message and
       attach the original message as a message/rfc822 MIME part (ensuring the
       original message is completely preserved and easier to recover).

       The new report message inherits the following headers (if they are
       present) from the original spam message:

       From: header
       To: header
       Cc: header
       Subject: header
       Date: header
       Message-ID: header

       The above headers can be modified if the relevant "rewrite_header"
       option is given (see "Mail::SpamAssassin::Conf" for more information).

       By default these message headers are added to spam:

       X-Spam-Flag: header
           Set to "YES".

       The headers that added are fully configurable via the "add_header"
       option (see "Mail::SpamAssassin::Conf" for more information).

       spam mail body text
           The SpamAssassin report is added to top of the mail message body,
           if the message is marked as spam.

   DEFAULT TAGGING FOR ALL MAILS
       These headers are added to all messages, both spam and ham (non-spam).

       X-Spam-Checker-Version: header
           The version and subversion of SpamAssassin and the host where
           SpamAssassin was run.

       X-Spam-Level: header
           A series of "*" charactes where each one represents a full score
           point.

       X-Spam-Status: header
           A string, "(Yes|No), score=nn required=nn tests=xxx,xxx
           autolearn=(ham|spam|no|unavailable|failed)" is set in this header
           to reflect the filter status.  For the first word, "Yes" means spam
           and "No" means ham (non-spam).

       The headers that added are fully configurable via the "add_header"
       option (see "Mail::SpamAssassin::Conf" for more information).

INSTALLATION
       The spamassassin command is part of the Mail::SpamAssassin Perl module.
               Spam detector and markup engine

           Mail::SpamAssassin::ArchiveIterator
               find and process messages one at a time

           Mail::SpamAssassin::AutoWhitelist
               auto-whitelist handler for SpamAssassin

           Mail::SpamAssassin::Bayes
               determine spammishness using a Bayesian classifier

           Mail::SpamAssassin::BayesStore
               Bayesian Storage Module

           Mail::SpamAssassin::BayesStore::SQL
               SQL Bayesian Storage Module Implementation

           Mail::SpamAssassin::Conf::LDAP
               load SpamAssassin scores from LDAP database

           Mail::SpamAssassin::Conf::Parser
               parse SpamAssassin configuration

           Mail::SpamAssassin::Conf::SQL
               load SpamAssassin scores from SQL database

           Mail::SpamAssassin::Message
               decode, render, and hold an RFC-2822 message

           Mail::SpamAssassin::Message::Metadata
               extract metadata from a message

           Mail::SpamAssassin::Message::Node
               decode, render, and make available MIME message parts

           Mail::SpamAssassin::PerMsgLearner
               per-message status (spam or not-spam)

           Mail::SpamAssassin::PerMsgStatus
               per-message status (spam or not-spam)

           Mail::SpamAssassin::PersistentAddrList
               persistent address list base class

           Mail::SpamAssassin::Plugin
               SpamAssassin plugin base class

           Mail::SpamAssassin::Plugin::Hashcash
               perform hashcash verification tests

           Mail::SpamAssassin::Plugin::RelayCountry
               add message metadata indicating the country code of each relay

           Mail::SpamAssassin::Plugin::SPF

       The SpamAssassin(tm) Project <http://spamassassin.apache.org/>

COPYRIGHT
       SpamAssassin is distributed under the Apache License, Version 2.0, as
       described in the file "LICENSE" included with the distribution.



perl v5.14.2                      2015-01-28                  SPAMASSASSIN(1p)
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