An external e-mail account can send e-mail messages to a distribution group in an Exchange server

Assume a situation where there are two Microsoft Exchange servers in the same administrative group. These two Exchange servers have the same routing group in a domain environment. One of the Exchange servers work as an expansion server. The other Exchange server works as a bridgehead server.

In this situation, the permissions for the distribution group for the Exchange expansion server does not let an external e-mail account send an e-mail message to the distribution group. However, the members of the distribution group can receive e-mail messages from an external e-mail account

Microsoft Exchange 2000 Server

To resolve this problem, obtain the August 2004 Exchange 2000 Server Post-Service Pack 3 Update Rollup.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Microsoft Exchange Server 2003

To resolve this problem, obtain the latest service pack for Exchange Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.