postfix+spambuttbuttin help

Hi everyone,

I am having some trouble getting postfix and spambuttbuttin working together.

Spambuttbuttin is working well, and I have written a script (which works) that I want to use as a postfix filter. The problem I am having is that when I enable the filter, postfix goes into what seems to be a loop. The filter script forwards spam to an off-site email account for later human processing, and deilvers non-spam locally via sendmail.

What seems to happen is that when mail comes in, if it's not spam, the script uses sendmail to deliver locally, and this causes a loop. It appears that the filter script is called over, and over again. Each time the script tries to deliver locally with sendmail, the filter gets invoked, and thus a loop is created.

What am I doing wrong?!

Any help greatfully received.

Regards, Trevor.

PS - The master.cf file and filter script are below.

#!-bin-sh

TEMPDIR=-home-spamfilter

# Variables SENDMAIL="-usr-sbin-sendmail -i" EGREP=-bin-egrep

EXUNAVAILABLE=68 plus 1

# (Eg. Score of 5.5 = "*****" ) SPAMLIMIT=5

# Clean up when done or when aborting. trap "rm -f $TEMPDIR-out.$$" 0 1 2 3 15

# Pipe message to spamc

then # Option 1: Move high scoring messages to sideline dir so # a human can look at them later: # mv out.$$ $SIDELINEDIR-`date +%Y-%m-%d%R`-$$

# Option 2: Divert to an alternate e-mail address:

# Option 3: Delete the message # rm -f $TEMPDIR-out.$$ else fi

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

And here's our master.cf file:

################################################################### # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ========================================================================== pickup fifo n - n 60 1 pickup cleanup unix n - n - 0 cleanup qmgr fifo n - n 300 1 qmgr rewrite unix - - n - - trivial-rewrite bounce unix - - n - 0 bounce defer unix - - n - 0 bounce trace unix - - n - 0 bounce verify unix - - n - 1 verify flush unix n - n 1000? 0 flush proxymap unix - - n - - proxymap smtp unix - - n - - smtp smtp inet n - n - - smtpd -o contentfilter=spamfilter:dummy relay unix - - n - - smtp showq unix n - n - - showq error unix - - n - - error local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - n - - lmtp anvil unix - - n - 1 anvil # # Interfaces to non-Postfix software. Be sure to examine the manual # pages of the non-Postfix software to find out what options it wants. # spamfilter unix - n n - 10 pipe flags=Rq user=spamfilter argv=-usr-sbin-spamfilter ${recipient} # maildrop. See the Postfix MAILDROPREADME file for details. # maildrop unix - n n - - pipe flags=DRhu user=vmail argv=-usr-local-bin-maildrop -d ${recipient} # # The Cyrus deliver program has changed incompatibly, multiple times. # old-cyrus unix - n n - - pipe flags=R user=cyrus argv=-cyrus-bin-deliver -e -m ${extension} ${user} # Cyrus 2.1.5 (Amos Gouaux) # Also specify in main.cf: cyrusdestinationrecipientlimit=1 cyrus unix - n n - - pipe user=cyrus argv=-cyrus-bin-deliver -e -r ${sender} -m ${extension} ${user} uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) ifmail unix - n n - - pipe flags=F user=ftn argv=-usr-lib-ifmail-ifmail -r $nexthop ($recipient) bsmtp unix - n n - - pipe flags=Fq. user=foo argv=-usr-local-sbin-bsmtp -f $sender $nexthop $recipient ###################################################################