\documentclass[en]{tuletter}
% this package is only needed for demo (\lipsum)
\usepackage{lipsum}
\usepackage{times} %Times New Roman Font
% Signature at the end of the letter are used with \closing
\signname{J. Doe}
\signimage{signature_jdoe} % pjansen is the filename of the image of the signature (i.e. 'pjansen.png')
% if needed a second signature can be given with \signnamesec and \signimagesec
% Reference top left
\date{\today}
\ourref{UP001}
\yourref{IP1001}
\contact{Contact Person}
\phone{015-278 0000}
\email{c.person@tudelft.nl}
\subject{TU Delft Formal Letter}
% Recipient left under reference
\toname{R.E. Ceiver}
\toaddress{Here and there 22\\4242 AA Hurdieburdie}
% Sender right under logo
\fromname{Faculty of \ldots}
\fromaddress{There 3\\2628 AA Delft}
\frompobox{504\\2600 AA Delft}
\begin{document}
\makeheader
\opening{Dear Sir/Madam,}
% show two paragraphs of text
\lipsum[1-2]
\closing{With kind regards,}
\end{document}
