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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>bmf mini-howto</title>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" >
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<link rel="STYLESHEET" href="http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/docbook.css">
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<body>
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<h3>Theoretical part:</h3>
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2002-11-29 07:56:57 -05:00
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<p>Before you start to use bmf it is a good thing to know a little bit about
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the theoretical background of
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<a href="http://www.paulgraham.com/spam.html">Bayesian spamfiltering</a>.
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<h3>Basic installation:</h3>
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2002-11-29 07:56:57 -05:00
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<p>After installing the port put this at the top of your
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<tt class="FILENAME">.procmailrc</tt>.
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<dl><dd><pre>
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:0fw
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* < 256000
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| bmf -p
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:0e
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{
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EXITCODE=$?
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}
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:0:
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* ^X-Spam-Status: Yes
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zspam # This is the mailbox where all spam goes.</pre></dd></dl>
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2002-11-29 10:46:25 -05:00
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<p>Now you have to tell bmf the difference between spam and non-spam messages.
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As an example you can add these shortcuts to your <tt class="FILENAME">.muttrc</tt>
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<dl><dd><pre>
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macro index <f3> "|bmf -S\n<save-message>=zspam\n" "SPAM"
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macro index <f4> "|bmf -N\n<save-message>=Maildir\n" "NO SPAM"
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macro pager <f3> "|bmf -S\n<save-message>=zspam\n" "SPAM"
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macro pager <f4> "|bmf -N\n<save-message>=Maildir\n" "NO SPAM"
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</pre></dd></dl>
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<p>Now you can press the F3-button to tell bmf a message in your inbox
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is spam ( <tt class="FILENAME">bmf -S</tt> ) and move it to your
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spam-folder.
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<h3>Feeding a spam-archive to bmf:</h3>
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<p>To speed up the process of feeding the bmf-database you can also
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download a recent
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<a href="http://www.em.ca/~bruceg/spam/">spam archive</a>
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and run the files in the archive through the following oneliner:
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<dl><dd><pre>for i in * ; do bmf -s -i $i; done</pre></dd></dl>
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2002-11-29 07:56:57 -05:00
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<p>This method is not recommended by the author since the headers of a
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message are also taken in account and the headers of the messages
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from a spam-archive do not match yours, but I had good results with
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this method.
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<h3>Mixing with spamassassin:</h3>
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<p>You can also mix bmf with
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<a href="http://spamassassin.org">spamassassin</a>.
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bmf is much lighter than spamassassin but spamassassin does not have
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to be trained. You can actually use spamassassin to train bmf. Change
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your <tt class="FILENAME">.procmailrc</tt> to something like this:
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<dl><dd><pre>
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:0fw
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* < 256000
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| bmf -p
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:0e
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{
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EXITCODE=$?
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}
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:0:
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* ^X-Spam-Status: Yes
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zspam-bmf
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:0fw
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* < 256000
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| spamc -p 4321 -f
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:0e
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{
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EXITCODE=$?
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}
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:0:
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* ^X-Spam-Status: Yes
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{
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:0c
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| bmf -S
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:0
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zspam-sa
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}
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</pre></dd></dl>
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2002-11-29 10:46:25 -05:00
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<p>All mail cought by bmf will be send to the zspam-bmf folder. All spam
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missed by bmf but cought by spamassassin will be fed to bmf for
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training and send to the zspam-sa folder.
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2002-11-01 12:38:05 -05:00
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<h3>Disclaimer:</h3>
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<p>If anything bad happens to your email I am not responsible. If you
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know improvements to this document please send them to the maintainer
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of this port.
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</body>
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</html>
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