public void GroupSelectAndDownloadHeaders()
 {
     using (var client = new Rfc977NntpClientWithExtensions())
     {
         client.ConnectTest();
         client.SendModeReader();
         client.SelectNewsgroup("alt.test");
         foreach (var h in client.RetrieveArticleHeaders())
         {
             Console.WriteLine(h["Subject"][0]);
         }
     }
 }