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When designing a social sign-on, I want to use Facebook as one of the providers.

When requesting the optional property email and users agree to share it, is this email-address guaranteed to be verified? If not, is there an parameter returned in the social-profile that tells me if it's verified?

I'd like to do email verification myself otherwise.

Uwe Keim
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Geert-Jan
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    possible duplicate of [Is it possible to check if an email is confirmed on Facebook?](http://stackoverflow.com/questions/14280535/is-it-possible-to-check-if-an-email-is-confirmed-on-facebook) – laggingreflex May 07 '14 at 17:18

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