This handles sending the message by piping it to the sendmail program.
mail() sets up a header and body and pipes them to the sendmail program.
(c) 2002-2013, All rights reserved.
* Abe Timmerman <email@example.com>
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
* <http://www.perl.com/perl/misc/Artistic.html>, * <http://www.gnu.org/copyleft/gpl.html>
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.