%% This is part of the OpTeX project, see http://petr.olsak.net/optex
\useOpTeX

\letter            % \letter OpTeX style activated
\enlang \enquotes  % Language and quote style
\fontfam[bonum]

\hfill\address
  Alice Author
  123 Sender Street
  City 4567

\bigskip

\address
  Mr. Bobby Bureaucrat
  456 Magnolia Street
  City 8901

\hfill\today

\subject Inquiry regarding \"lorem ipsum"

Dear Mr. Bureaucrat,

\lorem[1-2] % 2 paragraphs of blindtext

Thank you for your time.

With best regards,

\bigskip % leave some space for signature
\bigskip

Alice Author

\bye