No, I use the client's POP3 mailbox address as the FROM address but have the submitted e-mail address included as the Reply to in the Additional Headers section.
I've double checked those FTP details and they are correct.
E-mail pages attached, assuming I have the correct ones you require. I also attached file fh_mail.php which Fasthosts, the host, used to test and it allowed Yahoo, Hotmail and AOL which makes me suspect the WebAssist form script now.
Appreciate the help. Thank you.