Hi,
On Mon, 16 Jun 2003 10:26:28 +0200 Buscema Guido
<[EMAIL PROTECTED]> wrote:
> Hi,
>
> I'm trying to set up spamc/spamd with postfix by piping a shell script
> inside master.cf file of postfix.
> I created a user "filter" and a directory /var/spool/filter.
> I also created a directory ( /opt/spamfilter ) with the following shell
> script (filter.sh)
>
> SENDMAIL="/usr/lib/sendmail -i"
> SPAMASSASSIN=/usr/bin/spamc
> # Exit codes from <sysexits.h>
> EX_TEMPFAIL=75
> EX_UNAVAILABLE=69
>
> cat | $SPAMASSASSIN -f -u filter 2>/dev/null | $SENDMAIL "$@" ||
> { echo Message content rejected; exit $EX_UNAVAILABLE; }
>
> exit 0
I've had similar problems. I'm no postfix filter expert but I'm
currently using the following to process mail through Amavis, Anomy
Sanitizer, and SpamAssassin:
#!/bin/sh
#
INSPECT_DIR=/var/spool/spamassassin
SENDMAIL="/usr/sbin/sendmail -i"
AMAVIS=/usr/sbin/amavis
SPAMASSASSIN=/usr/bin/spamc
ANOMY=/usr/local/anomy
SANITIZER=$ANOMY/bin/sanitizer.pl
export ANOMY
# Exit codes from <sysexits.h>
EX_TEMPFAIL=75
EX_UNAVAILABLE=69
cd $INSPECT_DIR || { echo $INSPECT_DIR does not exist; exit $EX_TEMPFAIL ; }
# Clean up when done or when aborting
trap "/bin/rm -f in.$$; rm -f out.$$" 0 1 2 3 15
# SpamAssassin uses a safe failover mode. If you do not want
# emails to be delivered when SpamAssassin doesn't run, remove
# the comments
cat | $SPAMASSASSIN -f | $SANITIZER > out.$$ # || \
# cat | $SPAMASSASSIN -f > out.$$ # || \
# { echo Message content rejected; exit $EX_UNAVAILABLE ; }
# $SENDMAIL "$@" < out.$$
$AMAVIS "$@" < out.$$
exit $?
# __END__
> I added in the master.cf file the following line
>
> filter unix - n n - - pipe
> Flags=Rq user=filter argv=/opt/spamfilter/filter.sh -f ${sender} --
> ${recipient}
Mine looks like:
#this_loops-woo! localhost:10025 inet n - n - - smtpd -o
content_filter=spamassassin:
localhost:10025 inet n - n - - smtpd -o content_filter=
spamassassin unix - n n - 10 pipe
flags=Rq user=vscan argv=/usr/local/bin/spamc_amavis_filter.sh ${sender} --
${recipient}
Also, in /etc/postfix/main.cf I have:
content_filter=spamassassin:
The 'vscan' account is created under SuSE 8.2 to run Amavis so I just
used that (I started creating the 'filter' account on my own but
realized it may be easier to use the existing account Amavis was using.)
I can't guarantee this is the most efficient or correct way of doing
things but it seems to work.
> It's working fine, but a few bad events happens
>
> 1) The message incoming appears to be repeatedly processed by
> spamc/spamd and filter.sh
>
> 2) processes (spamc e filter.sh) are duplicated all time a message has
> processed and they stay in memory for several time increasing the
> processing time for new messages.
>
> 3) The Subject of the email delivered say:"Undisclosed Recipient"; while
> without Spamassassin the postfix agent has worked fine.
What happens if you change:
cat | $SPAMASSASSIN -f -u filter 2>/dev/null | $SENDMAIL "$@" ||
{ echo Message content rejected; exit $EX_UNAVAILABLE; }
to
cat | $SPAMASSASSIN -f -u filter 2>/dev/null
hth,
--
Bob Apthorpe
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