public List<FrameAdapter> getLateReceivers() {
		ArrayList<FrameAdapter> result = new ArrayList<FrameAdapter>();
		for (AuthFrameAdapter adapter : server.getAdapters()) {
			if (adapter.isAuthenticated() && adapter.getSessionID() != sender && !receiverList
					.contains(adapter.getSessionID())) {
				result.add(adapter);
			}
		}
		return result;
	}