PopTray

PopTray is a small and feature rich email notifier, that can check for new mail in all your POP accounts. It then notifies you when new mail arrives. You can set up custom notification options for each account, color coded tray indicators and even be notified of important messages that match you criteria. PopTray allows you to se up rules, that allow you to automatically delete messages, ignore them, launch a program and more. You can also reply to messages, delete them from the server, play custom sound notifications and more.