Microsoft KB Archive/152501

= XADM: Problem When Creating Multiple SMTP Proxy Addresses =

Article ID: 152501

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition

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This article was previously published under Q152501



SYMPTOMS
When you add a new SMTP address to an existing SMTP Custom Recipient in Microsoft Exchange Administrator, you may get an non-deliverable report (NDR) when you send the mail to the Custom Recipient.



WORKAROUND
When a Custom Recipient is going to require multiple SMTP addresses, and the primary address is alphabetically less significant then the secondary address, you can create an additional Custom Recipient.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.



MORE INFORMATION
After you add a new SMTP (Internet) address under the E-Mail address tab in the properties for a SMTP Custom Recipient, the E-Mail address under the General tab may change to the one just added. This may cause mail sent to that Custom Recipient to not be delivered and generate an NDR back to the sender.

There is currently a problem when you add a new address to a Custom Recipient. When a new address is added, if the e-mail domain is alphabetically more significant then the original email address, it will change the original SMTP address to the new one. In most cases this will cause am NDR.

For example,

Create a new Custom Recipient with the SMTP address JOHNDOE@COMPANY.NET

Go into E-Mail Addresses and create a new SMTP address JOHNDOE@COMPANY.COM

Go back into the General tab and the new address will be JOHNDOE@COMPANY.COM

Another example:

Create a new Custom Recipient with the SMTP address JOHNDOE@ARMY.MIL

Go into E-Mail Addresses and create a new SMTP address JOHNDOE@AIRFORCE.MIL

Go back into the General tab and the new address will be JOHNDOE@AIRFORCE.MIL

Additional query words: 4.00 ndr Internet address non-delivery report

Keywords: KB152501

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