\begin{tabular}[hbt]{| p{0.13\textwidth} || p{0.13\textwidth} | p{0.13\textwidth} | p{0.13\textwidth} | p{0.13\textwidth} | p{0.13\textwidth} |}
	\hline
	                 & sendmail & exim & qmail & postfix & masqmail \\
	\hline
	version regarded &  &  &  &  &  \\
	\hline \hline
	First release & 1983 & 1995 & 1996 & 1999 & 1999 \\
	\hline
	Lines of code (with sloccount on debian packages)& 93k & 54k & 18k & 92k & 14k \\
	\hline
	Architecture & monolithic & monolithic & modular & modular & monolithic \\
	\hline
	Design goals & flexibility & general, flexible \& extensive facilities for checking & security & performance and security & for non-permanent Internet connection \\
	\hline
\end{tabular}
