<?php
/*
Template Name: Redirect
*/
if(! empty($url = get_post_meta(get_the_id(), 'redirect', true))){
header("HTTP/1.1 301 Moved Permanently");
header("Location: ". $url);
die();
}
?>
<html>
<head>
<title>Danger Will Robinson, Danger</title>
</head>
<body>
<h1>Something is wrong. </h1>
<p>Please set a Custom field called 'redirect' with the value of the URL you want to redirect to. <a href="http://codex.wordpress.org/Custom_Fields">More info here.</a> </p>
</body>
</html>