Thank you for your post.
FileMaker Pro allows you to enter text from a file as part of the message, but you cannot insert a file into the Message of an email. You must attach it as an attachment.
Does anyone know of any plug-in that may allow this?
If the file contains only simple text, you could import the file into a field and then include that field's content as part of the expression making up the body of the email message.
Hello, is it possible in the message part to insert more fields en text. Like Dear <<Name>>, We are <<text>> and so...