Migrating Mojang Acoount?

I'm under 18, got minecraft around 2011,
under an email account which is long gone (no hope of recovery), and I don't know anything about the receipt for the purchase of the account so I can't get the purchase ID either; what should I do?

Buy a new copy.

Fork out the $27 for a new account.

Fork out the $27 for a new account.

If you need the purchase ID number to get it working or upgraded, you will just have to buy the product again.

Also, you posted your question in the wrong category. Try again in "Computers and Internet".