postfix + SpamAssassin with SPAM Quarantine

adduser spamfilter -s /sbin/nologin

spamfilter unix - n n - - pipe
flags=Rq user=spamfilter argv=/usr/local/bin/spamfilter -f ${sender} -- ${recipient}

smtp     inet n     -     n     -     -     smtpd
    -o content_filter=spamfilter:dummy

vi /usr/local/bin/spamfilter

# Kalinga Athulathmudali
# 2006-01-06
# Variables

SENDMAIL="/usr/sbin/sendmail.postfix -i"
EGREP=/bin/egrep

# Exit codes from <sysexits.h>

EX_UNAVAILABLE=69

# Number of *'s in X-Spam-level header needed to sideline message:
# (Eg. Score of 5.5 = "*****" )

SPAMLIMIT=5

# Clean up when done or when aborting.

trap "rm -f /var/tempfs/out.$$" 0 1 2 3 15

# Pipe message to spamc

cat | /usr/bin/spamc -u filter > /var/tempfs/out.$$

if $EGREP -q "^X-Spam-Level: \*{$SPAMLIMIT,}" < /var/tempfs/out.$$

  then

## Change the Email address where you want your spam to get fwd to

  $SENDMAIL -f spamadmin@yourdomain.com spamtrap@yourdomain.com < /var/tempfs/out.$$

  else


  $SENDMAIL "$@" < /var/tempfs/out.$$

  fi

# Postfix returns the exit status of the Postfix sendmail command.

exit $?

chown spamfilter /usr/local/bin/spamfilter

chmod 755 /usr/local/bin/spamfilter

mkdir /var/tempfs

chown spamfilter:root /var/tempfs

/etc/init.d/postfix reload