Fenris Designs Email Form

<?  $email = $_REQUEST['email'] ;  $message = $_REQUEST['message'] ;  $name = $_REQUEST['name'] ;  if (!isset($_REQUEST['email'])) {    header( "Location: contact.html" );  }  elseif (empty($email) || empty($message) || empty($name)){    header( "Location: contacterror.html" );  }  else {    mail( "fenris@fenrisdesigns.com", "Fenris Designs Form",          $message, "From: $name <$email>" );    header( "Location: contactsuccess.html" );  }?>