LinkedIn’s IMAP Proxy for MobileMail
Intro’s approach of proxying IMAP is a novel way of delivering software to users. It operates at the limit of what is technically possible, but it has a big advantage: we can enhance the apps you already use.
The iOS Mail app doesn’t support plug-ins, so LinkedIn built a server that intercepts messages between your mail server and your iPhone so that it can inject content and controls directly into the message body.
