There are some ways to add attachments to outgoing email from BizTalk orchestration.
One method is the use dynamic send port and to set output message content with the attachments paths.
The syntax for the "SMTP.Attachements" property is File1File2...
Sample:
Msg(SMTP.Attachements)="C:\Temp\smpt1.jpgC:\Temp\smpt2.jpg";
Shimshon
