\documentclass[DIN, pagenumber=false, parskip=half,%
fromalign=right,
fromrule=false]{scrlttr2}
\usepackage{ngerman}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}
\RequirePackage{graphicx}
% if you have a word with just uppercase letter you should use the package soul
% for better readability
\usepackage{soul}
\sodef\so{}{.14em}{.4em plus.1em minus .1em}{.4em plus.1em minus .1em}
% do not indent the signature
\renewcommand*{\raggedsignature}{\raggedright}
% the sender:
\setkomavar{fromname}{Max Muster}
\setkomavar{fromaddress}{Musterweg 3 \\ 89075 Ulm}
\setkomavar{signature}{Max Muster \\ Geschäftsführung}
\begin{document}
% the receiver:
\begin{letter}{\so{MAXIMUS} GmbH \\ Musterstr. 2 \\ 89075 Ulm}
%===================================
\opening{Sehr geehrte Damen und Herren,}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tem
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam
et justo duo dolores et ea rebum.
Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem
ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tem invidunt ut
labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo
dolores et ea rebum.
\closing{Mit freundlichen Grüßen}
%===================================
\setkomavar*{enclseparator}{Anlage}
\encl{Angebotsausarbeitung}
\end{letter}
\end{document}
