Evolution is a simple mail application that comes pre-installed on Red Hat Linux and other Linux operating systems. In addition to handling e-mail, Evolution is also useful for organizing events with its built in Calendar and Contact Manager.
System Requirements: Linux
Download Evolution from gnome.org
--Getting Started Guide
Junk Mail Settings
Sorting and Organizing Mail
Junk and Spam Mail Handling
Evolution User Documentation
Evolution Main Window
Evolution Basic Features
Referenced from: Wiki.gnome.org/Apps/Evolution