Not sure about "Did you make sure to bind the form values into the email body" maybe you could explain. As for the Captcha, I looked again and in your "Feature Tour Video" all examples you show as final form have Captcha in them.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.