Note The recipient may be a contact. Additionally, following error event is logged in the Application log in Microsoft Exchange Server 2003:Note In Microsoft Exchange 2000 Server, you can track NDRs by increasing diagnostics logging to log event ID 756. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
This issue occurs if the local Exchange organization is authoritative for the sistercompany.com domain. Because the local Exchange organization is responsible for mail delivery to @sistercompany.com, the categorizer tries to find locally a recipient for that message. The categorizer does not succeed, and then you receive the NDR.
Consider following two scenarios in which the Exchange organization is authoritative for the sistercompany.com domain.
Scenario 1The This Exchange organization is responsible for all mail delivery to this address check box is selected for the SMTP address @sistercompany.com.
- The SMTP address @sistercompany.com was previously the primary SMTP address for the Default Recipient Policy. Additionally, there was a Mailbox Manager recipient policy.
- You configure the address @sistercompany.com as a shared address space, and then click to clear the This Exchange organization is responsible for all mail delivery to this address check box.
For Scenario 1
- Verify whether a recipient policy is in charge of adding or assigning a Simple Mail Transfer Protocol (SMTP) address (to contacts or mail-enabled users) that end in @sistercompany.com.
- In the policy properties, select this SMTP address, and then click Modify.
- Click to clear the This Exchange organization is responsible for all mail delivery to this address check box.
For Scenario 2
- Delete the Mailbox Manager recipient policy that is created before you change the address @sistercompany.com to a shared address.
- Re-create the Mailbox Manager recipient policy.
- Restart the IIS Admin Service.