How to help secure the BizTalk Server Messaging service Describes two ways to help secure the BizTalk Server Messaging service. You can specify a service account instead of the interactive user identity or modify the BizTalk Server Interchange Application COM+ component to control who submits work items.
FIX: Retain MIME Content-Type Header in HTTP Body By using reliable messaging and MIME encoding, the HTTP transport moves the MIME Content-Type header to the HTTP Content-Type header. However, you may want to retain the MIME Content-Type header in the HTTP body.