Microsoft KB Archive/255019

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Knowledge Base


XCON: MIME Internet X.400 Enhanced Relay Maps an Incoming SMTP Address Even If a Global Address List Entry Is Available

Article ID: 255019

Article Last Modified on 10/26/2006



APPLIES TO

  • Microsoft Exchange Server 5.5 Service Pack 3



This article was previously published under Q255019


SYMPTOMS

If a message is received from SMTP by means of an Exchange Server computer that is configured to perform MIME Internet X.400 Enhanced Relay (MIXER) address mapping, the address may be encapsulated in the X.400 address of the MIXER server, even if the recipient's SMTP address appears in the global address list. The recipient's address is displayed as an SMTP address instead of as the display name that is listed in the global address list entry (mailbox or custom recipient). If you double-click this name, the Address Type is displayed as X.400 and the full Address is the X.400 address of the MIXER server, with a Request for Comments (RFC) 822 domain-defined attribute (DDA) that contains the value of the SMTP Address. If there is more than one such recipient of this message, the reply to all option does not work.

For example, if an SMTP message is addressed to exchange.user@microsoft.com, the message arrives over a MIXER server that has an X.400 address of "C=us; A= ; P=company; O=SMTP-GW," the recipient is known to MIXER and the global address list is replicated to this server; the message is not addressed to the SMTP address of the mailbox. The address is translated to the following:

C=us; A= ; P=company; O=SMTP-GW; DDA:RFC-822=exchange.user@microsoft.com


CAUSE

This issue can occur because the message transfer agent (MTA) only resolves incoming addresses to route the message. In this case, the P1 (envelope) address is created from the global address list entry so the message can be delivered correctly, but the P2 (content) address, which is shown to users, is not resolved from the global address list.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack


WORKAROUND

To work around this issue, configure the Internet Mail Service to resolve the P2 address. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

242301 XCLN: Messages Received from Internet Display SMTP Address on the To and Cc Lines


STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5 Service Pack 3. This problem was first corrected in Exchange Server 5.5 Service Pack 4.


Additional query words: gal

Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB255019