What are some alternatives?
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
K-9 Mail - K-9 is an opensource email client making it easy to chew through large volumes of email.
Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Spark - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
Evolution - Apps/Evolution - GNOME Wiki!
eM Client - eM Client is a Windows-based email client for sending and receiving emails, and managing calendars, contacts and tasks.