If a member does not wish to get emails from your studio, you can easily the member to the email unsubscribe list (Do not email me list). Please see below where this feature is located.
Member removing themselves from getting emails
Members can also add themselves to the 'Do not email' list to be removed from getting all emails as well. Members will only need to log into their account and under their profile page select the 'Email Preferences' tab and at the bottom of the page select 'Enable' to be added to the 'Do not email me' list