public static boolean WriteSuffix(String hostname, String suffix)
    {
        Suffixes.add(hostname + " " + suffix);
        try
        {
            BufferedWriter writer = new BufferedWriter(new FileWriter(SuffixesFile, true));
            writer.write(hostname + " " + suffix + "\r\n");
            writer.close();
            return true;
        }
        catch(Exception e)
        {
            Utils.LogException(e, "writing suffix");
            return false;
        }
    }