Sylpheed v3.7.0 Free

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

It supports various protocols such as POP3, IMAP4rev1, and NNTP.
SSL is also supported.

Sylpheed also supports internationalization (i18n) and multilingualization (m17n). It is currently translated to 29+ languages. The Japanese processing is highly supported. For example, code guessing (ISO-2022-JP/EUC-JP/ Shift_JIS/UTF-8), and the support for the environment-dependent characters.

Powerful filtering and search function, and learning-type junk mail control function which utilizes external commands are also implemented.

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 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.

Install version:

Size: 7.83 MB - Download

Portable version:

Size: 10.42 MB - Download