Great Circle Associates Firewalls
(July 1996)
 

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Subject: proxying characteristics of smtp
From: Mike Dilworth <mjd @ soi . city . ac . uk>
Date: Sat, 27 Jul 1996 08:11:59 +0300
To: "'firewalls @ GreatCircle . COM'" <firewalls @ GreatCircle . COM>
Hops: 0
Host: greatcircle.com.
Posted-date: Sat, 27 Jul 1996 08:13:30 -0200 (GMT)

hi all

can you help...I want to set up a smtp server on a firewall which will then pass all mail onto an internal mail hub..pretty standard stuff...

I'm doing this in M$ NT and using exchange as the internal mail hub, but dont want to buy 2 expensive exchange servers, so i got hold of altavista mail server for the firewall.  After looking at this altavista server I cant figure iut how I am supposed to tell it to forward all mail to the internal mail hub...on exchange there is an option to do this (i.e. forward all mail to another specified host)..do i need this option on the mail server, or can i use dns mx records.

Now I have looked at these, and what i make of them is that you can specify which hosts receive the mail and in what order of preference, just in case one goes down..etc.  but I cant see a way that the MX records can be used to route deliver to the firewall smtp and then on to the internal mail hub..

any pointers much appreciated..

mike


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Next: packet filtering routers
From: Mike Dilworth <mjd @ soi . city . ac . uk>
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From: Joe Smith <joey @ getonthe . net>
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From: harker @ harker . com (Robert Harker)

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