Consider the following scenario in Microsoft BizTalk Server:

•	You use the BizTalk POP3 adapter to process e-mail messages.
•	You create a new e-mail message.
•	You add a file as an attachment to the message.
•	You add content in the body of the message. For example, you embed an image in the body of the message.
•	You send the message to the e-mail address that is monitored by the BizTalk POP3 adapter.

In this scenario, the content in the body of the e-mail message is lost when the message is processed by the BizTalk POP3 adapter.

Back to the top

This behavior may occur because the BizTalk POP3 adapter MIME decoder incorrectly processes e-mail messages if the structure has fewer than two levels.

Back to the top

To work around this behavior, add the content as a file attachment to the e-mail message. For example, to include an image in the message, add the image as an attachment instead of embedding the image in the body of the message.

Back to the top

This behavior is by design.

Back to the top

Consider the following scenario:

•	You create an e-mail message.
•	You add an attachment to the message.
•	You embed an image in the body of the message.

In this scenario, the structure of the e-mail message may resemble the structure in the following table.

Level	Content Type
L1	multipart/mixed
L2	multipart/related
L3	multipart/alternative
L4	text/plain
L4	text/html

Back to the top