oauth twitter and email

Question

is it possible to get user email after he logged by oauth? may be page can ask him if he want to share his email in my application? or any allowed info is what return by url http://api.twitter.com/1/users/show/test.xml (without email)?

Answer 1

No. The Twitter api does not share email addresses for security reasons.

Update: Twitter has added this functionality. Look at @collerek's answer.