user not receiving off domain mail - Microsoft Exchange

By off-domain to you mean an SMTP sender that is not homed on your Exchange
Server or in your Exchange organization? If so I would start by sending a
message to this user using telnet. This will narrow down the problem more
as being external to your system or configuration on your system. You can
use the following article for telnet instructions=> 838049 HOWTO: Telnet to
Port 25 to Test SMTP Communication http://kb/article.asp?id=Q838049.
Also in the non-delivery report that the sender receives, what server is
listed as issuing the NDR, your server or some other? And when you send to
this user from another user on the same server do you send to the same smtp
address that you are sending to from the outside? Please post a reply and
how to continue will depend on your responses


Darin Roulston
Microsoft
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| *From: "Will" <anonymous@discussions.microsoft.com>
| *Sender: "Will" <anonymous@discussions.microsoft.com>
| *Subject: user not receiving off domain mail
| *Date: Thu, 3 Jun 2004 04:08:51 -0700

| *Hello,
| *
| *I have a single exchange 2000 server running the latest SP
| *and hotfixes. Accounts on the server (same store) are
| *sending/receiving messages from on/off domain without any
| *trouble. I've recently added an AD account and the
| *exchange mail works fine within the domain, but will not
| *receive messages from off-domain. The off-domain sender
| *receives the following message..
| *
| *Undeliverable
| *The e-mail address could not be found. Perhaps the
| *recipient moved to a different e-mail organization, or
| *there was a mistake in the address. Check the address and
| *try again.
| *
| *The MX records are configured correctly. I've compared
| *the AD account to other accounts within the same
| *information store and the configuration is identical. Any
| *ideas as to why this might be happening? Or does anyone
| *have any procedures for testing the account? I've checked
| *the Message Tracking Agent for the message and its not
| *hitting the mail server. The Message Tracking Agent can
| *be used to track messages sent to the account from within
| *the domain.
| *
| *Other accounts on the same server and information store
| *are working fine.. Sending/receiving messages from on/off
| *the domain. The problem is specific to this user for some
| *reason.
| *
| *Thanks.
| *Will
| *
| *