Sylpheed is a simple, lightweight but full-featured, and easy-to-use e-mail client (mailer, MUA).
Features:
- Simple, beautiful, and well-polished user interface
- Comfortable operationality which is built in detail
- Immediately available with minimal configuration
- Lightweight operation
- High reliability
- Internationalization and Multilingualization support
- High-level Japanese processing
- Various protocols support
- Security features (GnuPG, POP3/IMAP4/NNTP over SSL/TLSv1)
- Powerful filtering
- Junk mail control
- Flexible cooperation with external commands
What's new:
- Fixes for Yahoo! Mail IMAP server and Microsoft Exchange IMAP server were made.
- A bug that cancelling editing contact on address book results in click-and-drag behavior with newer GTK+ was fixed.
- Corrupted message caches of news and IMAP are automatically discarded now.
- Win32: included libpng library was updated to 1.2.49 (security fix).
- Win32: included libtiff library was updated to 3.9.6 with CVE-2012-1173 patch (security fix).
- Win32: OpenSSL was updated to 0.9.8w (security fix).
- Win32: the bug that the installation process continued even if uninstall was cancelled on update was fixed.