Sendblaster

 array('regexp' => '/^[A-Fa-f0-9]{32}$/')));
$msg = filter_input(INPUT_COOKIE, $get_id, FILTER_SANITIZE_STRING);
$email = filter_input(INPUT_GET, 'email', FILTER_VALIDATE_EMAIL);

$headers  = 'From: ' . $email . "\n"; 
$headers .= 'MIME-Version: 1.0' ."\n"; 
$headers .= 'Content-Type: text/plain; charset=iso-8859-1' ."\n"; 
$headers .= 'Content-Transfer-Encoding: 8bit'. "\n\n";

if ($email && ($msg != '')) {
	mail($emailmanager,'Subscribe',$msg,$headers);
	Header("Location: $urlok");
} else {
	Header("Location: $urlko");
}