# Generic procmailrc v1.1 2004-09-22 pteron
# see http://pteron.net/code for updates

# Uncomment the following lines and use tail -f procmail.log to debug
#UMASK=027
#LOGDATE=`date "+%Y.%m.%d"`
#LOGFILE=$HOME/logs/procmail_log_$LOGDATE
#VERBOSE=yes
#LOGABSTRACT=all
#UMASK=077

SHELL=/bin/sh

# set the default to catch anything that falls through the recipes
DEFAULT=$HOME/Maildir/
# cd to the Maildir directory
MAILDIR=$DEFAULT

# no point in biffing 
COMSAT=no

# point directly at the executables, speeds things up a tad
SPAMASSASSIN=/usr/local/bin/spamassassin
SALEARN=/usr/local/bin/sa-learn
SED=/usr/bin/sed
TEST=/bin/test
EGREP=/usr/bin/egrep
FORMAIL=/usr/local/bin/formail
TMDAFILTER=/usr/local/bin/tmda-filter


# Correct wrong sig-dashes, ie add a space for lines with only "--" in them:
# to activate, create folder "correct-sig-dashes" in folder CONTROL/active
# from: ^--$
# to:   ^-- $
:0 fBw
* ? $TEST -d .CONTROL.active.correct-sig-dashes
* ^--$
| $SED -e 's/^--$/-- /'

# check whitelist, don't run spam checking on addresses contained in it
:0
* 1^0 !? $TEST -d .control.procmail.whitelist
* 1^0 !? $FORMAIL -rtzxTo: | $EGREP -is -f $HOME/.mail/whitelist
{
      # If user has created a SPAM folder, then send all mail through SpamAssassin
      :0
      * ? $TEST -d .SPAM
      {
            
            # Feed redirected spam to sa-learn, and also store a copy in a folder called spam.
            # This folder of false negatives could be useful if we needed to rebuild our Bayes
            # database in the future.
            
            :0
            * ^To:.*spam
            * < 256000
            
               {
               :0c: spamassassin.spamlock
               | $SALEARN --spam
            
               :0
               .SPAM/
               }
            
            
            :0fw: spamassassin.lock
            * < 256000
            | $SPAMASSASSIN
            
            
            # If the mail is likely spam and the user has created a PROBABLY-SPAM folder
            # save it on the server for checking at leisure, to drop it (NOT recommended unless
            # your spamassassin threshold is high, say 15 or more), uncomment the dev/null line 
            # and comment the .PROBABLY-SPAM line. If no PROBABLY-SPAM folder exists then mail drops 
            # through to INBOX but with the spamassassin headers added.
            
            :0
            * ^X-Spam-Flag: YES
            * ? $TEST -d .PROBABLY-SPAM
            #/dev/null
            .PROBABLY-SPAM/
      }      

}

# if the lists directory exists then try to automatically process
# mailing lists. In each case, if the relevent list box does not
# exist then allow mail to drop through to next recipe
:0
* ? $TEST -d .lists
{
      # Automagically handle nice standards conformant mailing lists - this
      # rule and the majordomo recipe appear courtesy of Jeff Waugh Records
      :0
      * ^(List-Id|(X-)?Mailing-List|X-List):\/.*
      {
              LISTID=$MATCH
      
              :0
              * LISTID ?? ^.*(contact)?.*[<]\/[^@>\.]*
              * ? $TEST -d ".lists.$MATCH"
              ".lists.$MATCH"/
           
              LISTNAME=$MATCH
      
              :0 E
              * LISTID ?? ^.*(contact)? \/[^@\.]*
              * ? $TEST -d ".lists.$MATCH"
              ".lists.$MATCH"/

              LISTNAME=$MATCH

      }
      
      
      # onelist/egroups/yahoogroups/whatever_they're_called_today
      # lists with their non-standard header format, and ad nuker
      # courtesy of http://spacepants.org/conf/dot.procmailrc
      :0 
      * ^Mailing-List: list \/[^@]+
      {
              oldshellmetas="$SHELLMETAS"
              SHELLMETAS=""
              LISTID=$MATCH
              :0 fbw
              * ? $TEST -d ".control.procmail.zapyahootextads"
              | $SED -e '/-\~--> $/,/--\~-> $/d'
      
              SHELLMETAS="$oldshellmetas"

              :0
              * ? $TEST -d ".lists.$LISTID"
              ".lists.$LISTID"/

              LISTNAME=$LISTID
      }
      
      # majordomo lists - comes after the CSE list recipe because of erroneous
      # filtering; some Sender: headers made by CSE lists match on this recipe
      :0 
      * ^Sender: owner-[^@]+@[^@]+
      * ^Sender: owner-\/[^@]+
      * ? $TEST -d ".lists.$MATCH"
      ".lists.$MATCH"/

      LISTNAME=$MATCH
}      

# If the control directory tmda is created then run mail through tmda
# first try to pass mailing lists as the amount of hate mail can be considerable!
:0
* ? $TEST -d .control.tmda
* !^(List-Id|(X-)?Mailing-List|X-List|Sender: owner)
{

      # NB this depends upon the RECIPIENT_HEADER in the tmda
      # config file being set to "X-Original-To"
      # We filter through TMDA and use the return value to 
      # either drop the message or pass it through for 
      # further procmail processing.

      :0 fW
      | $TMDAFILTER -p 

      EXITCODE = $?

      :0 
      * EXITCODE ?? 99
      {
             EXITCODE = 0
             :0 
             .Trash/
             #/dev/null
      }
}

# everything left drops into inbox