letter.latex

\documentclass[
    foldmarks=true,      % print foldmarks
    foldmarks=BTm,       % show foldmarks top, middle, bottom
    fromalign=right,     % letter head on the right
    fromphone,           % show phone number
    fromemail,           % show email
    fromlogo,            % show logo in letter head
    version=last         % latest version of KOMA letter
]{scrlttr2}


% pdflatex
%\usepackage[T1]{fontenc}
%\usepackage[utf8]{inputenc}

% lualatex
\usepackage{fontspec}
\usepackage[ngerman]{babel}
\usepackage{polyglossia}
\setdefaultlanguage{german}
\usepackage{microtype}

% https://tex.stackexchange.com/a/417883
\directlua{dofile('/home/jovyan/letter.git/pandoc-letter-din5008/hyphenateall.lua')}

\usepackage{hyperref}
\hypersetup{
  pdfencoding=auto,
$if(subject)$
  pdftitle={$subject$},
$endif$
$if(author-meta)$
  pdfauthor={$author-meta$},
$endif$
$if(lang)$
  pdflang={$lang$},
$endif$
$if(keywords)$
  pdfkeywords={$for(keywords)$$keywords$$sep$, $endfor$},
$endif$
$if(colorlinks)$
  colorlinks=true,
  linkcolor=$if(linkcolor)$$linkcolor$$else$Maroon$endif$,
  filecolor=$if(filecolor)$$filecolor$$else$Maroon$endif$,
  citecolor=$if(citecolor)$$citecolor$$else$Blue$endif$,
  urlcolor=$if(urlcolor)$$urlcolor$$else$Blue$endif$,
$else$
  hidelinks,
$endif$
  pdfcreator={LaTeX via pandoc}}

\usepackage{parskip}

\usepackage{graphics}

\usepackage{booktabs}
\usepackage{longtable}

\usepackage[right]{eurosym}

\makeatletter
    \setlength{\@tempskipa}{-1.2cm}%
    \@addtoplength{toaddrheight}{\@tempskipa}
\makeatother

\setlength{\oddsidemargin}{\useplength{toaddrhpos}}
\addtolength{\oddsidemargin}{-1in}
\setlength{\textwidth}{\useplength{firstheadwidth}}

\begin{document}
    \setkomavar{fromname}{$author$}
    \renewcommand*{\raggedsignature}{\raggedright}
    \setkomavar{fromaddress}{
        $for(return-address)$
            $return-address$$sep$\\
        $endfor$
    }
    \setkomavar{fromphone}{$phone$}
    \setkomavar{fromemail}{$email$}
    \setkomavar{signature}{$author$}

    \setkomavar{date}{$date$}
    \setkomavar{place}{$place$}

    \setkomavar{subject}{$subject$}

    \begin{letter}{%
        $for(address)$
            $address$$sep$\\
        $endfor$
    }

        \opening{$opening$}

        $body$

        \closing{$closing$}

        \ps $postskriptum$

        $if(encludes)$
            \setkomavar*{enclseparator}{Anlage}
            \encl{$encludes$}
        $endif$
    \end{letter}
\end{document}