LinkedIn Intro does a beautiful job of auto-discovering your environment and auto-configuring itself. A click or two by the user, and she’s up and running with active LinkedIn data in her email app.All this clever engineering hides the fact that LinkedIn is accessing your email on your behalf. Intro uses an IMAP proxy server to fetch your mail where they modify it, then deliver it to your iPhone. Classic Man in the Middle.Is LinkedIn Intro good, bad, or impossible? | VentureBeat.