Copyright (C) 1999, 2000, 2001 Bennett Todd.
Copyright (C) 2000 Alexander Burke <alex@pdqsolutions.com>
Copyright (C) 2002, 2003, 2004, 2005, 2006 Wayne Davison.
Copyright (c) 2000 Claus Assmann <ca+popauth@mine.informatik.uni-kiel.de>
and Copyright (C) 2002, 2003, 2004 Wayne Davison.
pop-before-smtp is Copyright (C) 1999, 2000, 2001 Bennett Todd,
