public static function retrieve($id)
{
$box = self::getInstance();
$id = intval($id);
if (!isset($box->indexes[$id])) {
return null;
}
fseek($box->storage, $box->indexes[$id]['offset']);
if (($mail = @fread($box->storage, $box->indexes[$id]['length'])) === false) {
return false;
}
return MailMessage::parse($mail);
}
