Great Circle Associates Majordomo-Users
(April 1997)
 

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Subject: Re: Restricting list to a particular domain
From: Rich Pieri <rich . pieri @ prescienttech . com>
Date: 01 Apr 1997 14:09:48 -0500
To: majordomo-users @ greatcircle . com
In-reply-to: Patrick Fitzgerald's message of Tue, 01 Apr 1997 10:26:31 -0500
References: <Russell Boyer's message of Mon, 31 Mar 1997 14:19:47 -0600> <33401C63.1B06@ti.com> <3.0.1.32.19970401102631.006ac2d8@hpissl>

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>>>>> "PF" == Patrick Fitzgerald <fitz@iquest.com> writes:

PF> Not necessarily effective, if email can get through the firewall
PF> and someone determines the majordomo address.

Which is why you block incoming SMTP traffic through the firewall except
through the primary mail hubs which, as I said, are not where you run your
private Majordomo.  You then just make sure that the hubs do not relay
Majordomo traffic; there are a number of ways of implementing this.

As I said, this is just one way to do it.  If you can configure your
firewall to do this then it is the easiest to implement as it requires no
code modifications.  That is a big win when it comes time to upgrade your
server software.

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-- 
Rich Pieri <rich.pieri@prescienttech.com> | Do not taunt Happy Fun Ball.
Prescient Technologies, Inc.              | 
A Stone & Webster Company                 | 
I speak for myself, not PTI or SWEC       | 


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