DOCUMENT:Q291086 11-JUL-2001 [exchange] TITLE :XADM: How to Change Default SMTP Address for Domain PRODUCT :Microsoft Exchange PROD/VER::5.5 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 5.5 ------------------------------------------------------------------------------- SUMMARY ======= This article outlines the steps to change the default SMTP address space so that Microsoft Exchange Server mailboxes receive mail addressed to the new SMTP address but also receive mail addressed to their old domains as a secondary SMTP address. For example, the same Exchange Server mailbox can receive mail addressed as username@newcompany.com as well as reply to old messages for username@oldcompany.com. MORE INFORMATION ================ Before you proceed with the Exchange Server configuration, add a new MX record to reflect the new domain name. This new MX record should be added in the Domain Name Service (DNS) provider, which might be part of the Internet Service Provider (ISP). For additional information and the syntax of the MX record, please see the following article in the Microsoft Knowledge Base: Q153001 XFOR: DNS MX Records and CNAMEs The correct addition of this MX record can be verified by performing a Name Service Lookup, using the new domain name. You may also want to familiarize yourself with performing directory exports. For additional information about performing directory exports, click the article number below to view the article in the Microsoft Knowledge Base: Q155414 XADM: Bulk Import/Export FAQ To configure the Exchange Server computer, follow these steps: 1. Create a CSV header file (User.csv) with the following fields: - Obj-Class - Directory Name - E-mail Addresses - Secondary-Proxy-Addresses To create the CSV header file, use Header.exe, which is located on the Exchange Server CD in the \SERVER\SUPPORT\AUTORUN\RESKIT\HEADER folder. 2. Use the file you made in step 1, User.csv, to export all mailboxes. 3. Use Microsoft Excel to verify that all mailboxes are present in the CSV file. 4. To change the default SMTP address for all users, follow these steps: a. Start the Microsoft Exchange Administrator program. b. Click Configuration, click Site Addressing, and then click the Site Addressing tab. c. Select the SMTP proxy, and then click Edit. d. Change this address to @NewCompany.Com. e. Click OK twice. The following message appears: The Site Addresses of type(s) [SMTP] have been modified. Do you want to update all Recipient E-mail addresses to match the new site address(es). f. Select Yes. Another message is displayed, stating that the process has started. If you look in the application log you should see the following events: Event ID: 2043 Source: MSExchangeSA Type: Informational Category: General Description: Starting the Bulk e-mail address process Event ID: 2044 Source: MSExchangeSA Type: Informational Category: General Description: Completed the Bulk e-mail address process. 10 recipients scanned, 10 successfully updated, 0 unsuccessfully updated. 5. Before you manipulate the User.csv file, make a copy. Open the User.csv file in Excel and in the "E-mail addresses" field locate "SMTP: userA@domain1.com". Move this portion of the "E-mail addresses" field to the Secondary-Proxy-Addresses field. Repeat these steps for all mailboxes. 6. Remove the "E-mail Addresses" column, so that there are only Obj-Class, Directory Name, and Secondary-Proxy-Addresses columns. 7. Save the CSV file. You are prompted to either keep the format or change the format. If you want to keep the format, click Yes. 8. Import the User.csv file into your Exchange Server Directory. This should add the secondary-proxy-address to all your users, which was your oldcompany.com address so that old mail will not cause a Non-delivery Report. The primary SMTP was changed in step 4, so the "reply-to" address from now on will be for the newcompany.com. 9. Open the properties for the Internet Mail Service from the Exchange Server Administrator program. On the Routing tab, if the Internet Mail Service is configured to reroute SMTP, verify that newdomain.com and olddomain.com are listed. If they missing, click Add, and specify incoming for the missing domain. Additional query words: exch2kp2w ====================================================================== Keywords : Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2 Version : :5.5 Issue type : kbhowto ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.