is there a way to search the twitter API by someones email address?

I see sites like http://klout.com where you add a bunch of emails and they tell you what services a person uses and r开发者_StackOverflowates the persons usages. I have a list of emails for a new site and I'd like to see who is a twitter user or not in my admin panel by calling the twitter API. However, I can't seem to find any documentation on how to search for a twitter user by their email address. Is this possible?

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Short answer: No. This functionality was offered at one point, but was abused by spammers and was removed.

Long answer: Twitter API: search people by email