I run this script (/var/qmail/supervise/qmail-smtpd/run) to run my
qmail-smtpd :
#!/bin/sh
QMAILDUID=`id -u qmaild`
NOFILESGID=`id -g qmaild`
MAXSMTPD=`cat /var/qmail/control/concurrencyincoming`
exec /usr/local/bin/softlimit -m 2000000 \
/usr/local/bin/tcpserver -v -p -x /etc/tcp.smtp.cdb -c "$MAXSMTPD" \
-u "$QMAILDUID" -g "$NOFILESGID" 0 smtp rblsmtpd \
/var/qmail/bin/qmail-smtpd 2>&1
rblsmtpd by default pointed to "rbl.maps.vix.com".
How to add more rblsmtpd process to check another blacklist resource like
"relays.mail-abuse.org", "blackholes.mail-abuse.org" or
"dialups.mail-abuse.org"?