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An email address is not an identity for a user, as email addresses can be changed almost everywhere on the web. Social login providers will have a unique token that identifies the user, which is what should be used to associate a successful social login on your site with a particular user profile (or if no existing profiles match, to create a new one). So ...


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Even there isn't only a single way to do it right, it needs understanding your target user and make an assessment about evaluating which way is viable as an end-to-end solution for overall aspects. What do I do with a social login user? I can think of a few options: Disable update email functionality for social login users until they set a password (show ...


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EDIT: My initial answer got right into some ideas but it needs some introduction first: As I commented below, it is my advice to take a step back and think about the reason why this problem exists in the first place, focus on the "why" rather than the "how". What is the e-mail address used for and why do users want to change it? Also if ...


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