Microsoft KB Archive/156999

= XFOR: SMTP Headers Lost for DOS MS Mail Client =

Article ID: 156999

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 Q156999



SYMPTOMS
If an MS-DOS Microsoft Mail client receives SMTP mail through the Microsoft Exchange Internet Mail Connector (IMC) to a Microsoft Mail Postoffice, the recipient will not see the SMTP headers.



CAUSE
The Microsoft Exchange Microsoft Mail Interchange (MSMI) stores the SMTP headers in the Transport Neutral Encapsulation Format (TNEF) part of the message when it pulls the message from Microsoft Exchange Server and creates a Microsoft Mail file for it. The MS-DOS Microsoft Mail client will not interpret any of the TNEF data, unlike the Window 16 and Windows 32 clients.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 4.0. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base:

SERVPACK

Keywords: kbusage KB156999

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