it echos "sent" but i dont get the email nor in the spam folder of my email

<?php

	$to = "ab159ab@hotmail.com";

	// Windows may not handle this format well
	// $to = "Recipient Name <nobody@somedomain.com>";

	// multiple recipients
	// $to = "nobody@somedomain.com, somebody@somedomain.com";
	// $to = "Recipient Name <nobody@somedomain.com>, somebody@somedomain.com";

	$subject = "Mail Test at ".strftime("%T", time());

	$message = "This is a test.";
	// Optional: Wrap lines for old email programs
	// wrap at 70/72/75/78
	$message = wordwrap($message,70);

	$from = "Sender Name <somebody@somedomain.com>";
	$headers = "From: {$from}\n";
	$headers .= "Reply-To: {$from}\n";
	// $headers .= "Cc: {$to}\n";
	// $headers .= "Bcc: {$to}\n";
	$headers .= "X-Mailer: PHP/".phpversion()."\n";
	$headers .= "MIME-Version: 1.0\n";
	$headers .= "Content-Type: text/plain; charset=iso-8859-1";

	$result = mail($to, $subject, $message, $headers);
	echo $result ? 'Sent' : 'Error';

?>