aeeble

Sylpheed is a simple, lightweight, and highly functional email client designed for users seeking an intuitive interface and robust features. It caters to both beginners and advanced users, offering a seamless experience across various platforms including Windows, Linux, BSD, and Mac OS X.

Key Features

• Simple and refined user interface
• Highly responsive keyboard navigation
• Organized and easy-to-understand settings
• Fast performance
• High reliability with a straightforward file format (1 email = 1 file)
• Extensibility through plugins
• Powerful filtering and search capabilities
• Anti-spam measures
• Security features including GnuPG and SSL/TLSv1 support
• Multi-protocol support
• Internationalized and multi-language support
• Advanced Japanese processing capabilities

Sylpheed is distributed under the GNU GPL (with LibSylph under GNU LGPL), allowing for free use, modification, and redistribution according to the license terms.