Article ID: 2267661 - View products that this article applies to.
Consider the following scenario:
This issue occurs because the third-party mail client sends the email message in Multipurpose Internet Message Encoding (MIME) format. The body of this email message is multipart/mixed content type. However, Exchange Server 2007 processes this kind of message body into independent parts. Therefore, the attachments are created for different parts of the email message body.
To resolve this issue, install the following update rollup:
2530488After you apply this update, Exchange Server 2007 merges the parts of the multipart/mixed content type message into one body when the email message is sent by certain third-party mail clients.
(https://support.microsoft.com/kb/2530488/ )Description of Update Rollup 3 for Exchange Server 2007 Service Pack 3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 2267661 - Last Review: March 31, 2011 - Revision: 2.0