From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexander Samad <alex@samad.com.au>
Subject: Re: Redirecting outgoing SMTP from LAN to another LAN server
Date: Thu, 29 Apr 2004 23:37:57 +1000
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On Thu, Apr 29, 2004 at 10:59:49AM +0100, Gavin Hamill wrote:
> Hullo :)
>=20
> I'd like to do $SUBJECT, but after much playing with commands like
>=20
> iptables -t nat -A PREROUTING -p tcp -i eth1 --dport 25 -j DNAT --to 10.0=
=2E0.253:25

what about=20

iptables -t nat -A PREROUTING -p tcp -i eth1 -s ! 10.0.0.253  --dport 25 -j=
 DNAT --to 10.0.0.253:25

I presume 10.0.0.253 is also on eth1.

>=20
> I have given up and have come to you fine people for help...
>=20
> My LAN is on eth1, with WAN on eth0. The gateway machine is 10.0.0.254 do=
ing masq for=20
> LAN clients, but I'd like to send any outgoing SMTP connections to 10.0.0=
=2E253 - alas=20
> any time I've tried, I just end up killing ALL outgoing SMTP :(
>=20
> Any suggestions warmly received!
>=20
> Cheers,
> Gavin.
>=20
>=20

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