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9.18.8.3 Low-level interface to the spam-stat dictionary

The main interface to using spam-stat, are the following functions:

Function: spam-stat-buffer-is-spam

Called in a buffer, that buffer is considered to be a new spam mail. Use this for new mail that has not been processed before.

Function: spam-stat-buffer-is-no-spam

Called in a buffer, that buffer is considered to be a new non-spam mail. Use this for new mail that has not been processed before.

Function: spam-stat-buffer-change-to-spam

Called in a buffer, that buffer is no longer considered to be normal mail but spam. Use this to change the status of a mail that has already been processed as non-spam.

Function: spam-stat-buffer-change-to-non-spam

Called in a buffer, that buffer is no longer considered to be spam but normal mail. Use this to change the status of a mail that has already been processed as spam.

Function: spam-stat-save

Save the hash table to the file. The filename used is stored in the variable spam-stat-file.

Function: spam-stat-load

Load the hash table from a file. The filename used is stored in the variable spam-stat-file.

Function: spam-stat-score-word

Return the spam score for a word.

Function: spam-stat-score-buffer

Return the spam score for a buffer.

Function: spam-stat-split-fancy

Use this function for fancy mail splitting. Add the rule ‘(: spam-stat-split-fancy)’ to nnmail-split-fancy

Make sure you load the dictionary before using it. This requires the following in your ~/.gnus.el file:

(require 'spam-stat)
(spam-stat-load)

Typical test will involve calls to the following functions:

Reset: (setq spam-stat (make-hash-table :test 'equal))
Learn spam: (spam-stat-process-spam-directory "~/Mail/mail/spam")
Learn non-spam: (spam-stat-process-non-spam-directory "~/Mail/mail/misc")
Save table: (spam-stat-save)
File size: (file-attribute-size (file-attributes spam-stat-file))
Number of words: (hash-table-count spam-stat)
Test spam: (spam-stat-test-directory "~/Mail/mail/spam")
Test non-spam: (spam-stat-test-directory "~/Mail/mail/misc")
Reduce table size: (spam-stat-reduce-size)
Save table: (spam-stat-save)
File size: (file-attribute-size (file-attributes spam-stat-file))
Number of words: (hash-table-count spam-stat)
Test spam: (spam-stat-test-directory "~/Mail/mail/spam")
Test non-spam: (spam-stat-test-directory "~/Mail/mail/misc")

Here is how you would create your dictionary:

Reset: (setq spam-stat (make-hash-table :test 'equal))
Learn spam: (spam-stat-process-spam-directory "~/Mail/mail/spam")
Learn non-spam: (spam-stat-process-non-spam-directory "~/Mail/mail/misc")
Repeat for any other non-spam group you need...
Reduce table size: (spam-stat-reduce-size)
Save table: (spam-stat-save)

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