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In a Microsoft Exchange Server 2007 environment, a user sends an e-mail message that has an attachment. Additionally, this e-mail message has no text in the body of the e-mail message. However, when a user receives the e-mail message, the attachment incorrectly appears as the body of the e-mail message. The original e-mail message may have content that resembles the following:
This problem occurs because Exchange Server 2007 ignores the part of the original e-mail message that contains "Content-Disposition: attachment." Therefore, the message is processed incorrectly, and the attachment appears as the body of the e-mail message.
To resolve this problem, install Update Rollup 4 for Exchange Server 2007 Service Pack 1 (SP1) on the Exchange server. For more information about Update Rollup 4 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: