it just refreshes the contact page
...taking away the field contents as if you hadn't started yet, no thank you redirect.
So far I've tried both versions of the request line as shown in other posts, and with and without the email server named in Globals... Do you think you possibly could spot the strangeness? Do you need to see anything else?
the top php code is the same as all the other sites I have there, I checked again for white spaces after the lines end.