What are some alternatives?
When comparing PopTrayU and Mailbird, you can also consider the following products
POP Peeper - POP Peeper is an email notifier that runs in your Windows task bar and alerts you when you have new...
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
nPOPuk - nPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of...
eM Client - eM Client is a Windows-based email client for sending and receiving emails, and managing calendars, contacts and tasks.
Mia for Gmail - A desktop email client for your Mac, without a browser !
Postbox - The Power Email App for busy professionals, like you.