If you have access to your gaming account, you can request the change directly through your account settings, here.
If you are unable to access your account, to modify your email address you will need to send an email to verificacion@goldenbull.es, stating that you wish to change your email address and specifying the new one.
You will also need to attach a photo of both sides of your identity document.
Once we receive your request, we will respond as soon as possible to the same email address from which you contacted us.