Sylpheed is a fast, light weight and a user-friendly email and news client. It will run on just about any Linux or UNIX compliant system – Linux, BSD, and Mac OS X. And works on Windows as well. The interface is 3-paned display, similar to popular email clients like Outlook Express, Mozilla Thunderbird etc. The interface is also designed to emulate the mailers on Emacsen, and almost all commands are accessible with the keyboard.