However, the customer will have to enter a real email address if he wants to receive your order tracking emails for example. The module therefore creates a 'fake' address in order to allow the creation of an account on your store and not to hinder the sale. If you find that the email addresses of the Facebook login button users are of the form: it could be for two reasons:
Social Login: Facebook Google TikTok Amazon Twitter….Why are the email addresses of the Facebook login button users not being retrieved correctly?
