\section{Rule number 4: line wrap}
\begin{frame}{Leave space for the receving end}
    Both the LKML netiquette~\cite{netiquette:lkml} and RFC 2822~\cite{rfc2822} suggest to wrap lines at 78 characters.\vspace{1em}

    \begin{quote}
        Text-based e-mail should not exceed 80 columns per line of text. Consult the documentation of your e-mail client to enable proper line breaks around column 78.
    \end{quote}
\end{frame}
\begin{frame}{How to (Thunderbird/Neomutt)}
    Both Neomutt and Thunderbird automatically default to wrapping lines after 72 characters when plain text mode is enabled.
\end{frame}