$cols = 'm.*, i.subject, i.updated, i.closed';
$sql = "SELECT $cols FROM messages m JOIN issues i ON i.id = issue";
$sql .= " WHERE message IS NOT NULL";
+$sql .= " AND i.page <> 'spam'";
$sql .= " ORDER BY m.created DESC LIMIT $limit";
$query = $Db->query($sql);
$rows = $query->fetchall();