SMTP Transport Properties Dialog Box, Attachments Tab
In the SMTP Transport Properties dialog box, use the Attachments tab to configure the send port for the Simple Mail Transfer Protocol (SMTP) adapter.
To do this
Remaining BizTalk message parts
Specify how BizTalk message parts are attached to the e-mail message.
Default value: Do not attach body parts.
Specify a file or files to attach to the e-mail message. After clicking the Add button you can browse to select a file and add it to the list of files to be attached.
Maximum path length: 256 characters
Removes the selected file from the list of files to be attached to the e-mail message.