Re: [m0n0wall] NAT question: redirect all outgoing SMTP to or own SMTP-server

From:	Melvin <melvin at sleepydragon dot net>
To:	Jason King <jking at informs dot com>
Cc:	Jonathan De Graeve <Jonathan dot De dot Graeve at imelda dot be>, m0n0wall at lists dot m0n0 dot ch
Subject:	Re: [m0n0wall] NAT question: redirect all outgoing SMTP to or own SMTP-server
Date:	Thu, 29 Sep 2005 11:13:28 -0400

Jason King wrote:

>Hmm, I'd be interested in knowing how this is done too. I was at a hotel
>that did this once. Tried to send mail through my work mail server and
>everything destined for port 25 was redirected to their own mail server.
>Very cool.
>
>Jason
>
>Jonathan De Graeve wrote:
>
>  
>
>>My situation:
>>
>>WLAN->M0n0wall captive gateway -> firewall -> smtp-server (x.y.z.10)
>>
>>I want to automatically redirect all outgoing packets destined to tcp
>>port 25 (smtp) to our own smtp-server port 25
>>
>>Can someone tell how I do this?
>>
>>J.
>>    
>>
It would seem (really simple to seem though isn't it ) that this would 
simply require a rule from LAN to ANY redirecting the desired port to 
the appropriate machine.  This is in no way an indication that I've done 
such a thing however, only that I would think that would be the way to 
accomplish it. :)

Melvin