facebook connect and user email

I am developing my site and an important part of it is facebook connect integration. I notice that the fetched emails of users a开发者_开发知识库re proxied such as: apps+32182559871.557007476.0962e412d7b1f0c2027aa51b1141c@proxymail.facebook.com Now what can I do with this? Is it possible to send emails by using this address? Sending/tracking user emails is a critical part of my site. Any suggestion will be appreciated.

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It's not as straightforward as you might think, you need to get permission for your site's app to access the user's email first!

here're a couple of resources you should start with!

http://wiki.developers.facebook.com/index.php/Extended_permissions http://wiki.developers.facebook.com/index.php/Communicating_with_Users_via_Email

all the best!