IMAP Push (nl.lengthofrope.imapidle) on Google Play
This little utility allows your Android device to receive Push notifications through the IMAP IDLE protocol.You can receive instant notifications when your IMAP account receives new mails.This application runs alongside the standard mail application on your device. No need to poll for messages every X minutes anymore.Note: Most IMAP servers support the IDLE protocol, but not all of them! Please confirm if your e-mail account supports IMAP IDLE before purchasing this app. It is known not to work with the Yahoo IMAP server.