Freezing nntp connect at port 563 for some addresses

[AndrzejB]

Now is not freezing , thanks,
but is

Code:

procedure TIdExplicitTLSClient.CheckIfCanUseTLS;
begin
  if not (IOHandler is TIdSSLIOHandlerSocketBase) then begin
    raise EIdTLSClientSSLIOHandlerRequred.Create(RSTLSSSLIOHandlerRequired);
  end;
end;

for  de.newsgroupdirect.com (I not sure it is handled ssl)
but anyway not freezing