I’ve always liked the way Apple does it. For iCloud, the ‘Forgot Password’ page requires a first and last name. I imagine you could do something similar for reg

I’ve always liked the way Apple does it. For iCloud, the ‘Forgot Password’ page requires a first and last name. I imagine you could do something similar for registration: if the user email already exists and the first and last name is the same, tell them definitively if the account exists.