RE: Publishing multiple SMTP servers on ISA 2004
- From: Troy Radtke <TRadtke@xxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Tue, 5 Oct 2004 14:49:00 -0500
Depends on what happens. If they ban mail.blahblahblah.com vs.
4.123.123.123 makes a big difference. Never run a mail server myself, and
personally I'd think that they'd ban by name, not by IP. So if each has
it's own A record, then life should be good.... or I could be way off... =?)
-----Original Message-----
From: Rob Moore [mailto:RMoore@xxxxxxxx]
Sent: Tuesday, October 05, 2004 2:40 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Publishing multiple SMTP servers on ISA 2004
http://www.ISAserver.org
I'm getting ready to publish a couple of SMTP servers on one ISA 2004
firewall. One is a listserv and one is Exchange. Each is run by a different
admin and each admin is concerned about the other server interfering with
his box. The main concern is spam. Specifically, if our listserver gets
flagged as a source of spam (it shouldn't, as we only intend to use it for
lists of voluntary subscribers, but you know how these things go), will that
flag affect our Exchange server? To be more specific, will the mail from
each server appear to come from the same address, or will it come from
different external addresses? (Each SMTP server will be published on a
different external IP address. On an older firewall that we have, SMTP
traffic would appear to come from the IP address the server receives mail
on.)
Thanks,
Rob
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Rob Moore
Network Manager
American Friends Service Committee
1501 Cherry St.
Philadelphia, PA 19102
RMoore@xxxxxxxx
Phone: 215-241-7870
Fax: 215-241-7204
Our greatest glory is not in never failing but in rising every time we fall.
--Confucius
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