Claws Mail (previously known as Sylpheed-Claws) is a lightweight and
highly configurable email client and news reader based on the GTK+ GUI
toolkit, it runs on the X Window System.

Claws Mail is free software distributed under the GNU GPL.

To run Claws Mail use 'claws-mail' on the command line.

When claws-mail is executed for the first time a configuration 'Wizard'
will appear prompting you for the minimum information necessary to
create a new account.