Open Source Linux IMAP Software

Fetchmail is a mail retrieval daemon that can download messages from POP3, IMAP, ODMR and ETRN-based stores, with SSL/TLS security including certificate verification, and pass downloaded mail to a local SMTP or LMTP server, or a message delivery agent such as maildrop.

A command line utility for synchronizing remote IMAP mailboxes and local maildir-style mailboxes. This is useful for working in disconnected (off-line) mode, such as on a laptop, but also for mirroring mailboxes between servers.

Hedwig is an open source IMAP, SMTP, POP3 server written in Java, designed with ease of installation and configuration in mind. Hedwig enables storage of mail message headers in a relational database(MySQL or Oracle) and mail messages in a file system. Visit http://hwmail.sourceforge.net/ for more information.

Heirloom mailx (formerly known as "nail") is intended provide the functionality of the POSIX mailx command with additional support for MIME messages, IMAP (including caching), POP3, SMTP, S/MIME, message threading/sorting, scoring, and filtering.

GreenMail is an intuitive and easy-to-use test suite of email servers for testing purposes. Supports SMTP, POP3, IMAP with SSL socket support, and configurable user accounts and credentials. All in 100% Java. WE'VE MOVED TO GIT HUB: https://github.com/greenmail-mail-test/greenmail

Watch mailstores for changes and initiate mailbox syncs

AtMail is an open source webmail client written in PHP. We aim to provide a elegant Ajax webmail client for existing IMAP mailservers, with less bloat and a focus on an intuitive, simple user interface.

Foedus Mail is a mail server written in Java. The goal is to produce stable IMAP, SMTP, and POP3 support and then to build upon and refine it.

A proxy server for gmail, that enables you to fetch your gmails using IMAP or POP3, and send mails by SMTP via your gmail account.

S22.Imap is a free, easy-to-use and well-documented .NET library component for communicating with and receiving electronic mail from an Internet Message Access Protocol (IMAP) server, written in C#. The API has been designed with ease of use in mind and integrates well with the existing classes of the .NET Framework. S22.Imap supports IMAP over SSL, IMAP IDLE (push email) and partial fetching of messages. It works well with Gmail. Features: * Supports IMAP IDLE notifications * Supports IMAP over SSL * API designed to be very easy to use * Allows selectively fetching parts of mail messages * Inherently thread-safe * Well documented with lots of example code * Free to use in commercial and personal projects (MIT license) NOTE: THIS PROJECT HAS BEEN MOVED TO GITHUB. PLEASE GO HERE FOR THE LATEST VERSION: https://github.com/smiley22/S22.Imap

An IMAP E-mail client for X-Windows written with GTK. Supports IMAP with and without SSL.

AnonInbox is a PHP script which provides users with anonymous access to email. It uses a MySQL database for efficient storage of mail. Old messages are automatically removed at a specified interval. Malicious attachments are blocked.

This project aims to be a personal data storage and administration system. It will be an advanced system for information and electronic mail management. The server will be accessible to any IMAPv4 compatible mail client.

All effort are being directed to the Squirrelmail Project which is also here on Source Forge. SquirrelMail has an excellent start on something that will be spectacular in the years to come. Go check it out at www.squirrelmail.org

Blue HttpMail is a library that connects to HTTPMail servers (such as hotmail.com) and a proxy that allows POP3, IMAP and SMTP access to those servers. Blue HttpMail is being developed using the open source library Blue http://bluelib.sourceforge.net

BlueMamba is a powerful, yet simple, open source PHP webmail application released under the GNU General Public License. The BlueMamba Project is going under some reorganization and is changing owners from X6 Industries to Gazood Technologies. Both co

The goal is to develop a C++ class that impliments the IMAP4rev1 protocol as defined in RFC2060, including the TCP/IP routines.

API similar to Java-Mail (TM). This API is to be in C# and will be available for the dotNet-aware platforms.

CellMate Bot currently allows google queries and aim functions through OSCAR. Made to be used form your cellphone's AIM client, CellMate Bot will be updated to include email, news and map directions in the future. For now, you can use Google SMS.

An IMAP interface for ColdFusion written as a CFC (ColdFusion Component).

Set of pure useful Java utilities taking care of common tasks and avoiding re-write of code

PHP/MySQL based application built to provide easy, fast and powerful tools to manage Courier MTA/IMAP server, including aspects but not limited to: Multiple domains, Account management, Local & Remote aliases, Mailing lists

Cyrus IMAPd is a popular IMAP server that surfaces a rich interface for extending its functionality. The Cyrus IMAPd Utilities project brings together maintenance utilities, graphical front-ends, and API handlers (such as notification daemons).

Edward Rudd's PHP Classes PDFTemplate, Basketlib, phpCyrusAdmin Development has now moved to http://www.outoforder.cc/

Encki Mail is a web based e-mail system that focusses on ease of use for both the user and the system administrator. The project is being developed for Linux using the popular PHP + MySQL combination.