Simplified version of web-to-email vulnerability

gistfile1.txt

$DestinationAddress = "[email protected]"; 
$Subject = "Contact Form Inquiry";

while(list($key, $val) = each($_POST)) {
		$GLOBALS[$key] = $val;
}
$Header = "From: $name <$email>\r\n";
$Header .= "Reply-To: $name <$email>\r\n";

mail($DestinationAddress, $Subject, $Message, $Header);