Article ID: 307215 - View products that this article applies to.
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When a user with a Microsoft Exchange Server 5.5 mailbox sends an e-mail message with a delivery receipt requested outside that user's organization by means of a Simple Mail Transfer Protocol (SMTP) smart host that is connected by an Exchange 2000 server, the Exchange Server 5.5 mailbox may not get Delivery Status Notification (DSN) relay.
The information store in the Exchange 2000 may also generate an event ID 2078 message in the Application event log:
Event ID: 2078You may also receive non-Deliverable messages with the following text in the body: "The recipient was detected looping within the message transfer service".
Source: MSExchangeIS Mailbox
Category: Transfer Out Of Gateway
Description: Unable to submit, send or transfer out a message. Database "First Storage Group\Mailbox Store (BO00SXPCN1)".
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
301378The English version of this fix should have the following file attributes or later:
(http://support.microsoft.com/kb/301378/EN-US/ )XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
Component: Transport Core
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Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 2.
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