Microsoft KB Archive/182952

= XCON: X.400 Backbone Must Route SMTP Messages By DDA Type =

Article ID: 182952

Article Last Modified on 10/28/2006

-

APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition

-



This article was previously published under Q182952



SUMMARY
To send Simple Mail Transfer Protocol (SMTP) messages over an X.400 backbone using Microsoft Exchange Server, the backbone systems must be configured to route messages based on the Domain Defined Attributes (DDA) type in the originator/recipient (O/R) address of the messages. If one or more backbone systems are unable to route messages based on the DDA type, you cannot send SMTP messages over the backbone.



MORE INFORMATION
Microsoft recognizes the need for Exchange Server to allow SMTP messages to be sent over an X.400 backbone that cannot route messages based on the DDA type. We have modified the Microsoft Exchange Server 5.0 message transfer agent (MTA) so that SMTP messages can be routed to a dedicated X.400 private management domain (PRMD) that contains an Internet Mail Service or other Internet connection. This feature allows Exchange Server to convert SMTP one-off addresses to X.400 one-off addresses, based on information in the X.400 connection to the system used to connect to the Internet.

This supported feature is now available, but has not been fully regression tested and should be applied only to systems having a specific need for it. Unless you are severely impacted by the lack of this feature, Microsoft recommends that you wait for the next Service Pack that contains this feature. Contact Microsoft Technical Support for more information.

Keywords: kbqfe kbhotfixserver kbbug kbfix kbinfo KB182952

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.