Trying with new email when the account was caught through cookies, will lead to OP's third account also to be caught. There cannot be sure way how gambling houses are tracing out second accounts. Most gamblers may change IP addresses and may change browser but gambling sites may use flash player based cookies which must need a new device for not getting traced out for multiple accounts.

If your account was restricted due to the reason of multiple accounts, you must try to register with new device along with new ISP (a mobile data may give you different IP than your usual ISP which is even dynamic IP based). Register with new email and new name (better use your family member details rather than imaginary details for KYC needs in future).

If you do not have another device, you may try with virtualbox or by installing simple linux OS along with your existing OS.