PHP 5.2.14 (cli) (built: Jul 27 2010 10:49:36)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies

require("PHPMailer_5.2.1/class.phpmailer.php");

$mail = new PHPMailer();

$mail->IsSMTP();
$mail->Mailer = "smtp";
$mail->Host = "ssl://smtp.live.com";
$mail->Port = 587;
$mail->SMTPAuth = true;
$mail->Username = "some_email@hotmail.nl";
$mail->Password = "password";

$mail->From     = "some_email@hotmail.nl";
$mail->AddAddress("some_other_email@hotmail.nl");

$mail->Subject  = "Subject";
$mail->Body     = "Hi!";

if(!$mail->Send()) {
echo 'Message was not sent.';
echo 'Mailer error: ' . $mail->ErrorInfo;
} else {
echo 'Message has been sent.';

Message was not sent.Mailer error: The following From address failed: some_email@hotmail.nl