Unity Mail is an E-Mail count and notifications application for Ubuntu Unity desktop, is a script that checks your mail on any IMAP4-compatible server and displays a notification bubble when you get new mail;
Unity Mail Features:
* Works with any IMAP4-compatible server
* Multiple accounts support
* Unread messages count on the Launcher
* Unity Quick-list support (GMail URLs by default)
* Messaging Menu integration
* NotifyOSD notifications
Unity Mail is written in Python and is currently in Beta development phase.
Continue Reading... Unity Mail Features:
* Works with any IMAP4-compatible server
* Multiple accounts support
* Unread messages count on the Launcher
* Unity Quick-list support (GMail URLs by default)
* Messaging Menu integration
* NotifyOSD notifications
Unity Mail is written in Python and is currently in Beta development phase.
source:http://linuxpoison.blogspot.com/2012/06/135781677511655.html