\documentclass[12pt,recommendation,sign]{university_recommendation}

%optional argument can be  "recommendation" (default) or "tenure"
%optional argument can be "sign" (default) or "nosign"

\usepackage{url}
\begin{document}

\signature{MYNAME, Professor of Philosophy\\\url{MY EMAIL ADDRESS}}
%\date{DATE}

\begin{letter}{RECOMMENDEE}
\opening{}

TEXT OF LETTER GOES HERE

\closing{}
\end{letter}

		
\end{document}