documentclass{article}
usepackage{hyperref}

begin{document}
begin{Form}[action={mailto:receiver@invalid?subject=Subject&body=bodytext}, method=post]
   TextField[name=name]{Name:}\[1mm]
   Submit[width=4.00cm, height=1.00cm, borderstyle=S]{Large{Send email}}
end{Form}
end{document}