i found the file which contains the info
// fix to prevent cross-domain ajax call
if (isset($_SERVER['HTTP_HOST'])) {
$httpHost = (string) $_SERVER['HTTP_HOST'];
if (strpos($httpHost, '://www.') !== false && strpos($link, '://www.') === false) {
$link = str_replace('://', '://www.', $link);
} else if (strpos($httpHost, '://www.') === false && strpos($link, '://www.') !== false) {
$link = str_replace('://www.', '://', $link);
is whats within the jcomments.class.php file
but within the email its still only
http://ww.