The checkout wizard would have applied the universal email behavior to the Confirm and pp_confirm .php pages, you would need to edit th universal email behavior on those pages by double clicking it in the server behaviors panel.
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.