At the bottom of the email which arrives after a send is:
SimpleContact submit: Contact me
This looks like something to do with the Contact me button.
How can I prevent this from appearing in the arriving message?
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.