Microsoft KB Archive/255894
Article ID: 255894
Article Last Modified on 10/28/2006
- Microsoft Exchange Server 5.5 Standard Edition
This article was previously published under Q255894
If you send an e-mail message that contains Message Security Protocol 4 (MSP4) content over an X.400 Connector, the message may not be delivered and you may not receive non-delivery report (NDR).
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
Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 4.
Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB255894