What to do if you cannot verify your email address when you create a Battle.net account or you change your email
Regaining access to a Battle.net Account when the email is not accessible.
How to swap email addresses between two accounts
Information regarding steps you can take if your email address is already in use on an account.
How to reset your Diablo II (2000) password or change the email address registered to the account.
How to update the email for Parental Controls.
How to change or update a Battle.net account email address.
How to correct an email mistake when creating or updating your Battle.net account
How to modify your emails for to allow important Blizzard and Battle.net messages to go to your email inbox
When exactly will my game suspension end?