# .procmailrc - Soeren M Soerries <s@spuk.de>
PATH=/bin:/usr/bin:/usr/bin
MAILDIR=$HOME/Mail		#you'd better make sure it exists
# DEFAULT=$MAILDIR/mbox		#completely optional
LOGFILE=$MAILDIR/.procmail_log	#recommended
KEYID="0x8C309D7D"		#most favored PGP Key ID

:0
* ^From:.*gateway@skyper.de
/dev/null

# cypherpunks Listen
:0
* ^TOcypherpunks
cypherpunks.inbox

#### Begin PGP-Encrypt/PGP-MIME Block ####
# encrypted mail already wrapped in PGP-MIME => leave alone
# PGP-encrypted mail without PGP-MIME        => wrap in PGP-MIME
# any PGP-signed Mail and mail without any PGP \
#  => encrypt to $KEYID and wrap in PGP-MIME
#
# Verschluesselte Mail in PGP-MIME   => in Ruhe lassen.
# Verschluesselte Mail ohne PGP-MIME => in PGP-MIME verpacken.
# Mail ohne PGP und PGP-signed Mail \
#  => an $KEYID verschluesseln und PGP-MIME verpacken.
:0
* !^Content-Type: message/
* !^Content-Type: multipart/
* !^Content-Type: application/pgp
{
  :0 fBw
  * ^-----BEGIN PGP MESSAGE-----
  * ^-----END PGP MESSAGE-----
  | formail \
      -i "Content-Type: application/pgp; format=text; x-action=encrypt"

  :0 fBbw
  * ^-----BEGIN PGP SIGNED MESSAGE-----
  * ^-----BEGIN PGP SIGNATURE-----
  * ^-----END PGP SIGNATURE-----
    | pgp -fea $KEYID | formail \
     -i "Content-Type: application/pgp; format=text; x-action=encrypt"

  :0 fBbw
  * !^-----BEGIN PGP
    | pgp -fea $KEYID
      :0 fBw
      * ^-----BEGIN PGP
      | formail \
        -i "Content-Type: application/pgp; format=text; x-action=encrypt"
}
# Mail already wrapped in (PGP-?)MIME but not yet encoded:
# This first rule keeps MIME-multipart but goes without encryption. Any help?
# The second rule encrypts your mail destroying MIME-multipart. Use either one.
:0
* ^Content-Type:.*(application/pgp|message/)
#* ^Content-Type:.*(application/pgp|message/|multipart/)
{
  :0 fBbw
  * !^-----BEGIN PGP MESSAGE
  | pgp -fea $KEYID
    :0 fBw
    * ^-----BEGIN PGP MESSAGE
    | formail \
        -i "Content-Type: application/pgp; format=text; x-action=encrypt"
}
##### End PGP-Encrypt/PGP-MIME Block #####