A slightly more informative example:

use strict;
use Email::Sender::Simple qw(sendmail);
use Email::Simple;
use Email::Simple::Creator;

my $email = Email::Simple->create(
  header => [
    To      => '"Xavier Q. Ample" <x.ample@example.com>',
    From    => '"Bob Fishman" <orz@example.mil>',
    Subject => "don't forget to *enjoy the sauce*",
  ],
  body => "This message is short, but at least it's cheap.\n",
);

sendmail($email);
[download]

I started by entering Email::Sender::Simple into Google. That got me to the cpan page. Under "See Instead" was a link to Email::Sender::Manual::Quickstart which had the above example, and more details.