weird pop3 email delivery problem, pls help!

From: antispam (jack_at_(antispam)techexpress.ca)
Date: 04/12/04 

Date: Mon, 12 Apr 2004 16:16:21 -0700

SBS2K3 Premium.
Domain (company.com) hosted by third party.
Use POP3 connectors for external emails.
In Recipient Policies -> Default Policy -> Email Address (Policy),
"SMTP @company.com" has been set as Primary and the statement "This
Exchange Organization is responsible for all email delivery to this
address" has been UNCHECKED.

The problem is that internal users can not send emails to a
@company.com address which does not has a local account on SBS

To make it easy to understand, here is an example:
Both John and Peter have email accounts with the domain:
john@company.com and peter@company.com

John also has a local account on SBS (john@company.local)
Peter does not.

The problem is John can not send emails to Peter. If John sends an
email to Peter, it will bounce back, the message is something as
below:
=====================================================================
From: System Administrator
Sent: Thursday, April 08, 2004 11:47 PM
To: 'peter@company.com'
Subject: Undeliverable: Test Email

Your message did not reach some or all of the intended recipients.

      Subject: Test Email
      Sent: 4/8/04 11:47 PM

The following recipient(s) could not be reached:

      'peter@company.com' on 4/8/04 11:47 PM
            The e-mail account does not exist at the organization this
message was sent to. Check the e-mail address, or contact the
recipient directly to find out the correct address.

            <company.com #5.1.1>
=====================================================================

The weird thing is I UNCHECKED "This Exchange Organization is
responsible .....", but the problem is always there.

Who has any thoughts on this? Many thanks in advance

Jack

Relevant Pages

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