You can contact Casumo Casino in a couple of different ways. The most convenient one for players, in general, is Live Chat Support. You can contact the customer agent any time you want since they are available 24/7.
If you prefer to send an email to the casino you can do that as well. Casumo ambassadors are answering all the inquiries every day 24/7. All you need to do is to send them an email at firstname.lastname@example.org and they will respond to you as soon as possible.