Using an RBL with qmail.
You first need to have qmail up and running, if not read this.
If you followed those instructions, you should have a file called /var/qmail/supervise/qmail-smtpd/run
It should look like
#!/bin/sh
QMAILDUID=`id -u qmaild`
NOFILESGID=`id -g qmaild`
MAXSMTPD=`cat /var/qmail/control/concurrencyincoming`
LOCAL=`head -1 /var/qmail/control/me`
if [ -z “$QMAILDUID” -o -z “$NOFILESGID” -o -z “$MAXSMTPD” -o -z “$LOCAL” ]; then
echo QMAILDUID, NOFILESGID, MAXSMTPD, or LOCAL is unset in
echo /var/qmail/supervise/qmail-smtpd/run
exit 1
fi
if [ ! -f /var/qmail/control/rcpthosts ]; then
echo “No /var/qmail/control/rcpthosts!”
echo “Refusing to start SMTP listener because it’ll create an open relay”
exit 1
fi
exec /usr/local/bin/softlimit -m 2000000
/usr/local/bin/tcpserver -v -R -l “$LOCAL” -x /etc/tcp.smtp.cdb -c “$MAXSMTPD”
-u “$QMAILDUID” -g “$NOFILESGID” 0 smtp /var/qmail/bin/qmail-smtpd 2>&1
Change the last block to look like this.
exec /usr/local/bin/softlimit -m 9000000
/usr/local/bin/tcpserver -v -R -H -l 0 -x /etc/tcp.smtp.cdb -c “$MAXSMTPD”
-u “$QMAILDUID” -g “$NOFILESGID” 0 smtp /usr/local/bin/rblsmtpd
-r sbl-xbl.spamhaus.org
/var/qmail/bin/qmail-smtpd 2>&1
The address sbl-xbl.spamhaus.org in this example is the RBL that I use, change it to what you want to use.
Then
# qmailctl restart
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