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Sylpheed zen.jpg
Sylpheed 2.2.7 used together with Xfce Mailwatch plugin
Developer(s) Hiroyuki Yamamoto
Initial release 0.1.0alpha (January 1, 2000 (2000-01-01))
Stable release 3.4.2 (June 10, 2014; 4 months ago (2014-06-10)) [±]
Preview release 3.5beta1 (June 17, 2014; 4 months ago (2014-06-17)) [±]
Written in C, GTK+
Operating system BSD, Linux, Mac OS, Unix, Windows
Available in English; Japanese
Type E-mail client, news client
License GPL/LGPL

Sylpheed Claws is an open source e-mail client and news client licensed under the GPL. It provides easy configuration and an abundance of features. It stores mail in the MH Message Handling System. Sylpheed runs on Unix-like systems such as Linux or BSD, as well as on Mac OS X and Windows. It uses GTK+.

It is the default mail client in Lubuntu.


  • Sylpheed's classic branch focuses on stability. It is maintained by Sylpheed's founder Hiroyuki Yamamoto.

See also[edit]


  1. ^ Altunergil, Oktay (2003-01-30). "Bayesian Filtering with bogofilter and Sylpheed Claws". Linux DevCenter. O'Reilly. Retrieved 25 October 2013. 
  2. ^ Allen, David (Nov 5, 2004). Windows to Linux Migration Toolkit: Your Windows to Linux Extreme Makeover. Rockland, MA: Syngress Pub. p. 335. ISBN 1931836396. 

External links[edit]