Unable to Access User's email. Getting “Undefined”

Question

I have a website with the Facebook login implementation. My app has the permission for the user\'s email. Even though the user logs into my app using Facebook I can only ret

Answer 1

The user probably had a non-verified email on Facebook. What you could do is to ask them to verify their email on the Facebook settings (Facebook will send them an email with a link to click on) and try again.