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The venerable MH message handling system: a command-line based mail user agent for UNIX/Linux developed at the RAND Corporation and the University of California, Irvine.
Note! Code and issues are maintained at https://github.com/sba1/simplemail. SimpleMail is a simple to use but powerful mail client. It supports the SMTP, POP3 and IMAP (in a simple form) protocols. Furthermore, among much other features, it is capable of showing HTML mails and can identify spam mails by using a Bayesian filter.
Ream-C is a free and open source console-based full screen mail client for Linux, and Unix-Like OSes. . It can handle multi-megabyte large mail-files in spool areas or file folders without problems. It has been updated to compile and work under Solaris and Linux. Installation is also simpler.
Ream-C is based on the original "ream" project (Paul Dourish), contains additional bug fixes.
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Claws Mail is a GTK+ based, lightweight, and fast e-mail client and newsreader. Supports POP3, APOP, IMAP, SMTP, SMTP AUTH, NNTP, LDAP, multiple accounts, spell-checking, addressbook, SSL, GPG, filtering, i18n, & more. It is further extended by plugins.
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The evolution-kolab plug-in extends GNOME's PIM suite Evolution and EDS (Evolution-Data-Server) to become a full-featured Kolab 2 groupware client. Collaborate with other Kolab 2 users on emails, contacts, appointments, notes and tasks.
Veldfire is a frontend to the Riverdrums C library, and is aimed at simplifying email functionality. The project provides interfaces to sending email, attaching files and sending mail to lists.
Very simple SMTP client written in C and GTK+, with AUTH PLAIN/AUTH LOGIN authentification support. It allow sending plain text e-mails with attachments.
oserp - stands for OpenSource Emailer Replaces Pine. First goal - replace pine with an open souce work-alike using perl. Second - add an SQL backend to Mail::Box, and thus to oserp. Third - Port to C++, using GNU MailUtils as the backend.
NOTE: Development has been aborted. Please see the re-alpine project for a better alternative.
oserp - stands for OpenSource Emailer Replaces Pine. First goal - replace pine with an open souce work-alike using perl. Second - add an SQL backend to Mail::Box, and thus to oserp. Third - Port to C++, using GNU MailUtils as the backend.
** THIS PROJECT MOVED TO GITHUB ** libEtPan ! is a mail purpose library. It will be used for low-level mail handling : network protocols (IMAP/NNTP/POP3/SMTP over TCP/IP and SSL/TCP/IP, already implemented), local storage (mbox/MH/maildir), message /
A C library with support for logging, configuration, networking, message specification, semaphores, message queues, SSL, timing, epoll and email functionality.
Deliver is a file transfer protocol and implementation designed to be a safe, open-source alternative to the most extended transfer protocols like the traditional e-mail.
Edbrowse is a comprehensive editor, browser, and email client that provides access to the net through a command line interface, appropriate for speech or braille. It also supports scripting, to interact with the net in the background, or in batch mode.
Spruce is an X11 mail client written with the Gtk+ widget set. It is geared towards being extremely small and fast, supporting all the common features that users want or need without sacrificing usability or functionality
Microsoft Exchange compatible server and client libraries
OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers.
OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native...
mutt-mb is a program to create a list of mailboxes for the MUA mutt when mail is stored in maildir format. It can also be used to check the consistency of the mail storage.
just like mysql front, squid front is used to manage the squid tasks running on servers and monitor system status of each server, it also help you configure your ruels, users as well as other informations.