Mail System Error - Returned Mail

Mail Administrato ( )
Wed, 21 Oct 1998 16:51:27 -0700

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This Message was undeliverable due to the following reason:

A message was not delivered because a loop was found in the Mail
eXchanger record database (the MX loop condition). The destination
host has an MX record that points to this host, but there is no
account for the designated recipient.

Here are a few possible solutions for clearing up this problem:

- add the domain name to your list of Local Mail Domains
if this mail server has complete authority over all
mail accounts within that domain

- return the mail since the address was invalid

- fix the MX records in the DNS for the host in question
and then resubmit the message

- add an account or alias for the recipient on this machine
and then resubmit the message

If this machine should be handling all mail for the destination
host, it should be added to the list of Local-Mail-Domains in
the "system" configuration.

Destination host:

The following recipients did not receive this message:


Please reply to
if you feel this message to be in error.

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Sun, 18 Oct 1998 15:36:02 -0700 (PDT)
Date: Sun, 18 Oct 1998 15:34:58 -0700 (Pacific Daylight Time)
From: Peter Deacon <>
To: greg Lowthian <>
Subject: Re: Blocking ports
In-Reply-To: <006601bdfad0$bfdbda40$>
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On Sun, 18 Oct 1998, greg Lowthian wrote:

> I am setting up a web server(IIS) for a customer with two Nic's
> one to talk to the Net and one to talk to an SQL server. They want
> to have FTP on the web server but only show on the second Nic so
> if the IP of the first Nic scanned only port 80 will show. Is there
> a way to do this on NT4.

You can block ports per ethernet interface via the security button in
tcp/ip properties.

Have Fun!

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