Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA). Sylpheed runs on Unix-like systems such as Linux, BSD, and Mac OS X. It also supports Windows. 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:
* Simple, beautiful, and well-polished user interface
* Comfortable operationality which is built in detail
* Well-organized, easy-to-understand configuration
* Lightweight operation
* High reliability
* Internationalization and Multilingualization support
* High-level Japanese processing
* Various protocols support
* Security features (GnuPG, SSL/TLSv1)
* Powerful filtering and search
* Junk mail control
* Flexible cooperation with external commands
What"s New in Sylpheed 2.4.0 beta 3
* The toolbar customization dialog was improved.
* "Not junk" and "Search" button were added to the main toolbar.
* The "Send" button is disabled when no queued messages exist.
* Junk mails are filtered when incorporating from local spool even if "Filter on incorporation" is disabled.
* The "Get" button of the main toolbar was fixed.
* Several bugs of the search dialog were fixed.
* Win32: The sorted column of the selected row on the summary view becomes visible when it doesn"t have focus.
* Win32: System fonts with multi-byte font names such as "MS PGothic" and "Meiryo" can be available now.