Sylpheed   - lightweight and user-friendly e-mail client -

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client.

Sylpheed provides intuitive user-interface. Sylpheed is also designed for keyboard-oriented operation, so Sylpheed can be widely used from beginners to power users.

Sylpheed runs on many systems such as Windows, Linux, BSD, Mac OS X and other Unix-like systems.

Sylpheed uses GTK+ GUI toolkit. The newest version of Sylpheed works with GTK+ 2.4 or later (2.6 or later is recommended).

Sylpheed is a free software distributed under the GNU GPL (the library part is GNU LGPL). You can freely use, modify and redistribute it under the license.

Sylpheed has the following features. Read more...

  • Simple, beautiful, and well-polished user interface
  • Comfortable operationality which is built in detail
  • Well-organized, easy-to-understand configuration
  • Lightweight operation
  • High reliability with one-mail-corresponding-to-one-file format
  • Extensibility by plug-in faculty
  • Powerful filtering and search
  • Junk mail control
  • Security features (GnuPG, SSL/TLSv1)
  • Various protocols support
  • Internationalization and Multilingualization support
  • High-level Japanese processing
  • Flexible cooperation with external commands