In my country (UK) it is illegal for them to go through my emails without my permission and if they ban for not giving permission that counts as blackmailing which is also illegal in my country. If they are operating in my country eg I am able to connect then they must abide by the laws of that...
I think Vpns should be allowed but I understand that allowing vpns allow people to sell their accounts as it will never know if the new ip is a vpn or the IP of the person you sold the account to
They only way servers can find vape lite is your emails or your paypal purchases, both of which are illegal for them to do if you do not give consent, and them threatening to ban you if you don't give consent it blackmail which is also illegal :)