Si Mail Alternatives

Thunderbird is a free, open-source, cross-platform email, news and instant messaging client. The project strategy is modeled after Mozilla Firefox. Features:Free,Open,Source,Mac,Windows,Linux,BSD,

To manage as part of the Microsoft Office Suite, Outlook E-Mail, calendar, contacts, and tasks from the personal information manager that allows you. Features:Freemium,Mac,Windows,Web,Android,iPhone

Opera mail force organized fully, indexes, and queues messages. (Both automated and Bayesian) spam filtering, supports POP3 and IMAP, as messages Features:Free,Mac,Windows,

Claws Mail-and News-Reader), GTK+ - based, this is a fast reaction with an elegant e-mail client interface, simple configuration and advanced Features:Free,Open,Source,Windows,Linux,BSD

Sylpheed (mail carrier, easy, light and simple, but faturafull E-Mail client. For example, Windows, Linux, BSD, Mac OS X and Sylpheed runs on many systems, Features:Free,Open,Source,Mac,Windows,Linux,BSD,

The Bat! Secure e-mail client software was built to protect your correspondence against third-parties. . Features:Commercial,Windows,S/MIME,OpenPGP

Kontact, KMail, the KDE personal information manager with integrated E-Mail component. Kontact personal information manager and groupware software package Features:Free,Open,Source,Mac,Windows,Linux,BSD

Pegasus Mail on a computer in the local network or suitable for use by single or multiple users, a free, standards-based electronic mail client. Features:Free,Windows