用户说我们使用他们的公共电子邮件地址注册我们的论坛，然后他们登录并删除该帐户，有什么方法可以防止这种情况发生？

支持
1

Login after email verification and delete account are both do not require a password, we now have no way to prove that we didn’t do such a thing.

Is there a way to require a password when the user first login?