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.

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!