letter.tex

\documentclass[11pt,a4paper]{letter}
\usepackage[utf8]{inputenc}

% Commands for jinja2 templating
% Instead of empty braces (i.e. no command effect), here we make the variable uppercase red
% to emphasize in the template those variables to be replaced. Once rendered, this formatting
% has not effect as jinja replaces the \VAR{variable} entirely.
\usepackage{xcolor}
\newcommand*{\VAR}[1]{\textcolor{red}{\textbf{#1}}}
\newcommand*{\BLOCK}[1]{\textcolor{red}{\textbf{#1}}}

\address{Colin Caprani\\Monash University} 
\signature{Dr Colin Caprani} 
\begin{document} 
	\begin{letter}{\VAR{name}\\\VAR{address1}\\\VAR{address2}\\\VAR{country}} 
		\opening{Dear \VAR{name}} 
		
		I am writing to inform you that you have won our recent raffle.
		Please collect it at your earliest convenience.
		
		\closing{Sincerely} 
		%\cc{Cclist} 
		%\ps{adding a postscript} 
		%\encl{list of enclosed material} 
	\end{letter} 
\end{document}