#
# Written by Sylvain MAURIN <maurin@isc.cnrs.fr>
# CeCILL licence
# http://www.cecill.info/licences/Licence_CeCILL_V2-en.html
#
# Add in /etc/procmailrc
# INCLUDERC=/path/to/global/procmail/spamassassin
PATH=$HOME/bin:/usr/bin:/usr/ucb:/bin:/usr/local/bin:.
MAILDIR=$HOME/Maildir
DEFAULT=$MAILDIR/
LOGFILE=$HOME/procmail.log
VERBOSE=yes
SPAMDIR=spam-poubelle
HAMORSPAMDIR=spam-probable
HOSTNAME=`hostname`

:0
* < 25600
* ^Subject:.*ANTISPAM ISC
{
 :0h
 FROM=|formail -xFrom:

 :0c
 | cat >$HOME/ISC-antispam.chk ; md5sum $HOME/ISC-antispam.chk >$HOME/ISC-antispam.chk.md5

 MD5ANTISPAMCHK=`cat $HOME/ISC-antispam.chk.md5 | cut -f 1 -d' ' `

 :0
 * ^Subject:.*ANTISPAM ISC OK
 * !^X-Loop:$FROM
 | ( formail -r -i"To:$FROM" -i"X-Loop:$FROM" -i"Subject: ISC Antispam - checksum.ID=ISC-ANTISPAM-OK-$MD5ANTISPAMCHK" -I"X-ISC-antispam: chk" ; \
     echo "To allow bayensian filter check, just 'REPlY' to this message" ;\
     echo "or send to yourself mail with subject including string : " ;\
     echo -ne "ISC-ANTISPAM-OK-" ; \
     cat $HOME/ISC-antispam.chk.md5 | cut -f 1 -d' '; echo "" ; \
     echo "Pour autoriser le filtre bayesien, repondez a ce message" ;\
     echo "ou envoyez vous un mail avec la chaine de caratere suivante dans le sujet :" ;\
     echo -ne "ISC-ANTISPAM-OK-" ; \
     cat $HOME/ISC-antispam.chk.md5 | cut -f 1 -d' '; echo "" ; \
   ) | $SENDMAIL -oi -t

 :0
 * ^Subject:.*ANTISPAM ISC KO
 * !^X-Loop:$FROM
 | ( formail -r -i"To:$FROM" -i"X-Loop:$FROM" -i"Subject: ISC Antispam - checksum.ID=ISC-ANTISPAM-KO-$MD5ANTISPAMCHK" -I"X-ISC-antispam: chk" ; \
     echo "To deny bayensian filter check, just 'REPlY' to this message" ;\
     echo "or send to yourself mail with subject including string : " ;\
     echo -ne "ISC-ANTISPAM-KO-" ; \
     cat $HOME/ISC-antispam.chk.md5 | cut -f 1 -d' '; echo "" ; \
     echo "Pour interdir le filtre bayesien, repondez a ce message" ;\
     echo "ou envoyez vous un mail avec la chaine de caratere suivante dans le sujet :" ;\
     echo -ne "ISC-ANTISPAM-KO-" ; \
     cat $HOME/ISC-antispam.chk.md5 | cut -f 1 -d' '; echo "" ; \
   ) | $SENDMAIL -oi -t

:0
 * ^Subject:.*ANTISPAM ISC INIT
 * !^X-Loop:$FROM
 | ( formail -r -i"To:$FROM" -i"X-Loop:$FROM" -i"Subject: ISC Antispam - checksum.ID=ISC-ANTISPAM-INIT-$MD5ANTISPAMCHK" -I"X-ISC-antispam: chk" ; \
     echo "To adapt bayensian filter from your server " ; \
     echo "maildir, just 'REPlY' to this message or mail " ;\
     echo "yourself with any subject including string : " ;\
     echo -ne "ISC-ANTISPAM-INIT-" ; \
     cat $HOME/ISC-antispam.chk.md5 | cut -f 1 -d' '; echo "" ; \
     echo "Pour initialiser le filtre bayesien a partir des" ;\
     echo "messages de votre boite aux lettres du serveur, " ;\
     echo "repondez a ce message ou envoyez vous un mail avec" ;\
     echo "un sujet incluant la chaine de caratere suivante :" ;\
     echo -ne "ISC-ANTISPAM-INIT-" ; \
     cat $HOME/ISC-antispam.chk.md5 | cut -f 1 -d' '; echo "" ; \
   ) | $SENDMAIL -oi -t

}

:0
* < 25600
* ^Subject:.*ISC-ANTISPAM-
* !X-ISC-antispam
* ? test -f $HOME/ISC-antispam.chk.md5
{
 MD5ANTISPAMCHK=`cat $HOME/ISC-antispam.chk.md5 | cut -f 1 -d' ' `

 :0h
 FROM=|formail -xFrom:

 :0ri
 * ^Subject:.*ISC-ANTISPAM-OK
 * $^Subject:.*ISC-ANTISPAM-OK-${MD5ANTISPAMCHK}
 | ( formail -r -i"To:$FROM" -i"X-Loop:$FROM" -i"Subject: ISC Antispam - enabled" -I"X-ISC-antispam: enabled" ; \
     echo "OK $MD5ANTISPAMCHK" >$HOME/ISC-antispam ; \
     maildirmake -f $DEFAULT $SPAMDIR ; \
     maildirmake -f $DEFAULT $HAMORSPAMDIR ; \
     touch $HOME/ISC-antispam.chk $HOME/ISC-antispam.chk.md5 ; \
     rm -f $HOME/ISC-antispam.chk $HOME/ISC-antispam.chk.md5 ; \
     echo "Last command done : allow bayesian antispam filter" ; \
   ) | $SENDMAIL -oi -t

 :0ri
 * ^Subject:.*ISC-ANTISPAM-KO
 * $^Subject:.*ISC-ANTISPAM-KO-${MD5ANTISPAMCHK}
 | ( formail -r -i"To:$FROM" -i"X-Loop:$FROM" -i"Subject: ISC Antispam - disabled" -I"X-ISC-antispam: disabled" ; \
     touch $HOME/ISC-antispam $HOME/ISC-antispam-ask-sa-learn $HOME/ISC-antispam.chk $HOME/ISC-antispam.chk.md5 ; \
     rm -f $HOME/ISC-antispam $HOME/ISC-antispam-ask-sa-learn $HOME/ISC-antispam.chk $HOME/ISC-antispam.chk.md5 ; \
     find $DEFAULT/.$SPAMDIR/cur/ -type f -name "?????*.M*.$HOSTNAME,*" -exec rm \{\} \; ; \
     find $DEFAULT/.$HAMORSPAMDIR/cur/ -type f -name "?????*.M*.$HOSTNAME,*" -exec rm \{\} \; ; \
     echo "Last command done : deny bayesian antispam filter" ; \
   ) | $SENDMAIL -oi -t

 :0
 * ^Subject:.*ISC-ANTISPAM-INIT
 * $^Subject:.*ISC-ANTISPAM-INIT-${MD5ANTISPAMCHK}
 {
  :0ri
  * ? test -f $HOME/ISC-antispam
  | ( formail -r -i"To:$FROM" -i"X-Loop:$FROM" -i"Subject: ISC Antispam - init spam DB scheduled" -I"X-ISC-antispam: init" ; \
     echo "INIT $MD5ANTISPAMCHK" >$HOME/ISC-antispam-ask-sa-learn ; \
     touch $HOME/ISC-antispam-ask-sa-learn $HOME/ISC-antispam.chk $HOME/ISC-antispam.chk.md5 ; \
     rm -f $HOME/ISC-antispam.chk $HOME/ISC-antispam.chk.md5 ; \
     echo "Last command done : server daemon should adapt bayesian antispam filter." ; \
     echo "Because its intensiv CPU consumption, this daemon is a low priority job." ; \
     echo "You will be advertised when task is done, beware : it can take _DAYS_" ; \
   ) | $SENDMAIL -oi -t

  :0ri
  * ? test ! -f $HOME/ISC-antispam
  | ( formail -r -i"To:$FROM" -i"X-Loop:$FROM" -i"Subject: ISC Antispam - can not init spam DB" -I"X-ISC-antispam: disabled" ; \
     touch $HOME/ISC-antispam.chk $HOME/ISC-antispam.chk.md5 ; \
     rm -f $HOME/ISC-antispam.chk $HOME/ISC-antispam.chk.md5 ; \
     echo "Last command done : server daemon refuses to adapt bayesian antispam filter." ; \
     echo "Please, enable ISC-antispam system first." ; \
   ) | $SENDMAIL -oi -t
 }

}

:0fw: spamassassin.lock
* < 256000
* ? test -f $HOME/ISC-antispam
| /usr/bin/spamassassin

:0:
* ^X-Spam-Status: Yes
.spam-probable/