
Thunderbird
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Mutt is a small but very powerful text-based mail client for Unix operating systems.
Mutt is a small but very powerful textbased mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various features to support mailing lists, including listreply, active development community, POP3 support, IMAP support.
Support for IMAP POP3 Support Command line interface S/MIME support
Productivity Utilities Online Services
imap-support email-client imap pop3 xfce command-line-interface command-line nntp s-mime-support
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Free Open Source Windows Linux BSD Mac Haiku
becky! internet mail is an email client for windows os. becky! internet mail supports pop3, imap and s/mime as well as...
Commercial Windows S/MIME OpenPGP
LeaderSend takes care of delivering your transactional messages and managing infrastructure, while you can focus on your business instead.
Commercial Web