As far as I know, this law is still the de facto position of the German Federal government/State governments...
If you mean Euromillions, you can't play this online. In Germany there is a ban on internet gambling EXCEPT the Lottos organised by the states in Germany. This has been contested in the European Court. AFAIK they have recently ruled that Germany is in breach of EU competition law but this must still be corrected in German law and until then, you're stuck playing the German state lotto.