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.
SimpleCheck is a fast, low resource, server oriented, Windows System Tray based E-Mail Notification Client with a simple UI that regularly checks multiple POP3 E-Mail accounts. Many full client features; immune to viruses; use to delete SPAM mail.
YAM (short for Yet Another Mailer) is a commonly used MIME-compliant Internet mailer written for AmigaOS computers. It supports POP3, SMTP, TLSv1/SSLv3, multiple users, PGP, hierarchical folders, filters, a configurable GUI, an ARexx interface and more...
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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.
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 Exchange protocols and does not require any plugin installation in Outlook.
a command line function to send text-only email to an smtp server, with a command line function to pull down email from a pop server. No longer under active development.
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.
This program is a minimal SMTP client that takes an email
message body and passes it on to a SMTP server (default is the
MTA on the local host). Since it is completely self-supporting,
it is especially suitable for use in restricted environments.
Ghost In The Mail is a very basic mail client for Linux, written in C, for GTK. It supports attached files. The user can specify the SMTP server, the sender's e-mail, and the name.
MailDB adds a database back-end to an IMAP server for features such as "virtual" mail folders (msgs appearing in multiple folders), "view" folders (dynamic results of searches), etc. The DB is inherently multi-user, allowing msg reference counting.
An email client written in Java, C, and C++ which not only allows standard pop/smpt/imap access, but also integrated access to Yahoo!, Hotmail, Lycos, and many others. This is all done without any additional services (such as pop forwarding).
A little mail agent that can check if you have Mail waiting to be read on the server. He have lot of option like exclude mails with something in the subject, multiple accounts, ... It's a GTK+-2.0 based GUI.
XCmail is a MIME and multi POP3 server capable mailtool for X11 using the Xclasses layout library. XCmail was designed completely object orientated and by this may be improved easily.
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XCmail has its own server in the internet. Take a look on it.
IDTrans is developing b2b technologies. The primary aspects of the project are secure transmission libraries, a key server, and a application to demonstrate the use of the libraries.
Postilion is an E-mail client (MUA) for the X-Windows system. It is based upon the TkRat code base, and intends to look and feel like the Mail.app program from NeXT. It supports several languges, and offers a robust feature set.
Portable opensource e-mail client and Personal Information Manager written for the Unices and Linux. Our goal is to support various mail servers including Exchange Server, POP3, IMAP4, etc., eventually having the functionality of MS Outlook.