try using one of the pre created templates from the drop down list instead. If you check the option to save it as a file, you will be able to edit the message after the behavior has been applied.
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.