Microsoft KB Archive/201127

= XIMS: Rerouting SMTP Mail to Another Organization =

Article ID: 201127

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q201127



SUMMARY
This article explains how to set up the Microsoft Exchange Server Internet Mail Service to reroute SMTP message to different Exchange Organizations using the SMTP protocol.



Scenario
Two Exchange Organizations on the same segment:
 * Org1: Microsoft (domain: Microsoft.com) (Site:abc) (Server:123)
 * Org2: Microsoft-Europe (domain: Microsoft-Europe.com and Microsoft-Africa.com) (Site:def) (Server:456)

MX records for all domains are pointing to the Exchange Server (Microsoft)

Configuration

 * 1) On the Microsoft-Europe Organization, open the Internet Mail Service Properties page, and on the Routing tab, remove the Microsoft.com domain.
 * 2) Keep the Microsoft-Europe.com and Microsoft-Africa.com domains as inbound.
 * 3) Stop and re-start the Internet Mail Service.
 * 4) On the Microsoft Organization, open the Internet Mail Service Properties page, and on the Routing tab, remove all domains except Microsoft.com; keep Microsoft.com as inbound only.
 * 5) Go to the Connections tab, and under Message Delivery, click E-mail Domain. In the Forward all messages for this domain to host box, add the Microsoft-Europe.com and Microsoft-Africa.com domains, and enter the IP of the Microsoft-Europe mail server.
 * 6) Stop and re-start the Internet Mail Service.
 * 7) Make sure that either Domain Name System (DNS) is configured with correct host records, or use the Hosts file for proper hostname resolution.

Keywords: kbhowto KB201127

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