letter.tex

\documentclass[a4paper
	,11pt
	]{letter}
\usepackage[utf8]{inputenc}
%% see: http://en.wikibooks.org/wiki/LaTeX/Letters

%% Meta-information
\def\doclanguage{}
\def\docauthor{[Author]}
\def\doctitle{Letter}
\def\docdate{\today}

%% Letter information
\name{\docauthor}
\signature{\docauthor}
\address{[Return-Address]}

%% Style
\input{input/style/letter}

%%%%%%%%%%
% Letter %
%%%%%%%%%%

\begin{document}
\pagestyle{plain}
\begin{letter}{%
	[Recipient]
}

\opening{Dear ...,}

The content of the letter starts here...
This is just another \LaTeX{} document to write, nothing special here.

I look forward to your reply.

\closing{Yours faithfully,}
\ps{PS: \emph{post-scriptum}}
\encl{enclosed document}

\end{letter}
\end{document}