Using bogofilter

* This note was written on September 7, 2003

1. Keep some (~50) spams in a separate folder (eg. ~/Mail/spam)
2. Edit your ~/.bogofilter.cf

   bogofilter_dir=~/.bogofilter
   user_config_file=~/.bogofilter.cf
   db_transaction=no
   spam_header_name=X-Bogosity
   spam_subject_tag={BOGOSPAM}
   unsure_subject_tag={BOGOSPAM}
   stats_in_header=Yes
   db_cachesize=32
   db_log_autoremove=yes
   db_lk_max_locks=16384
   db_lk_max_objects=16384
   timestamp=Yes
   spamicity_tags = Yes, No, Unsure
   spamicity_formats = %0.6f, %0.6f, %0.6f
   header_format = %h: %c, tests=bogofilter, spamicity=%p, version=%v
   terse_format = %1.1c %f
   log_header_format = %h: %c, spamicity=%p, version=%v
   log_update_format = register-%r, %w words, %m messages
   terse=no
   block_on_subnets=no
   charset_default=iso-8859-7
   replace_nonascii_characters=N
   min_dev=0.375
   robs=0.0178
   robx=0.52
   ham_cutoff  = 0.00
   spam_cutoff = 0.99
   ns_esf = 1.000
   sp_esf = 1.000
   thresh_update=0.01
   

3. bogofilter -Mn < ${MAIL} /* learn what is NOT spam */
4. bogofilter -Ms < Mail/spam /* learn what IS spam */
5. Add the following four (4) lines to your ~/.procmailrc:

   # http://bogofilter.sf.net
   :0HB:
   * ? bogofilter -u
   ${HOME}/Mail/bogofilter