\setkomavar{fromname}{Fam. Baumeister / Ruoff}
\setkomavar{fromaddress}{Mömpelgardgasse 25\\72348 Rosenfeld}
\setkomavar{fromphone}{(07428) 43 80 540}
\setkomavar{frommobilephone}{(0151) 21 22 53 62}
\setkomavar{fromemail}{ThomasRuoff@gmail.com}
\setkomavar{place}{Rosenfeld}
\setkomavar{backaddress}{Baumeister/Ruoff, Mömpelgardgasse 25\\72348 Rosenfeld}

\newcommand{\electronicsignature}{
    \hspace*{-1.5em}
    \includegraphics[height=3em]{\string unterschrift_thomas.png}
    \\\vspace*{-1.5em}
    \small \usekomavar{fromname}
}