Drag the @Email variable from the Contact Field list into the To field. (This tells the system to send the message to every email address in the Email Address field of the contact list.)
Enter CC and BCC email addresses manually, if they are required.
If the content of the message is stored as a text file, click Select Message from Media List and use the drop-downs provided to select the media list in which the text file is stored, then the text file itself.
Alternatively, click Free Form Message and type the message into the field provided.