An attached e-mail message is blank when you view the message in Outlook in an Exchange Server 2003 organization or in an Exchange 2000 Server organization (899475)

SYMPTOMS

In a Microsoft Exchange Server 2003 organization or in a Microsoft Exchange 2000 Server organization, you receive an e-mail message that has an attached e-mail message in Microsoft Outlook. When you view the attached message, the message is blank. This problem occurs when all the following conditions are true:

• An event sink is registered on the Exchange store in the Exchange Server organization. Additionally, the event sink is active.
  
  Note An event sink may be registered by third-party antivirus software services.
• Outlook is configured as a MAPI client.
• A rule that automatically forwards the received message is configured in Outlook.
• The content type of the attached message is "message/rfc822."

Similarly, the recipient of the automatically forwarded message receives a blank attachment.