Answer

Answer
Not a bug

If you still know your account password, or you can reset it using your prior email address, you can change your email under settings https://seekingalpha.com/account/user_settings.   


If you have no longer have access to your old email,  you can log out and then create a new account with your new email address.


Email alerts and newsletters are not PRO only

Answer
Not a bug

If you still know your account password, or you can reset it using your prior email address, you can change your email under settings https://seekingalpha.com/account/user_settings.   


If you have no longer have access to your old email,  you can log out and then create a new account with your new email address.


Email alerts and newsletters are not PRO only