----- Original Message ----- 
From: "Stewart" <[EMAIL PROTECTED]>
> any other ideas?
>

You might be better off not using a DNS solution, and instead just making an
iptables rule that intrecepts/redirects outbound smtp.

$SMTP = 192.168.1.3

iptables -t nat -A PREROUTING -i eth1 -tcp --dport 25 -j DNAT --to $SMTP

if you use shorewall you can do this in your rules file:

DNAT loc net:203.12.160.59:25 tcp 25 - all

that IP being mail.tpg.com.au.

seems to work fairly well for us in a few locations.

dave


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