Open Source Windows IMAP Software

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hMailServer is a SMTP/POP3/IMAP server for Windows. Data is stored in MySQL/MSSQL database and is easily accessed using the COM library. Project info, trackers and downloads has moved to www.hmailserver.com.

Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail. This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht". http://cypht.org

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.

Koolwired.Imap is a fully managed .NET IMAP client library written in C#.

RSS->IMAP server is a basic IMAP server implementation that allows you to browse your RSS feeds like emails. This is perfect for adding basic RSS functionality to older email clients that do not have RSS readers built in such as Outlook 2003.

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

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

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

A simple program that sits in the Windows tray and notifies you of new e-mails coming in. The program uses the IMAP IDLE command so your IMAP server must support that option.

MailChecker is a simple system tray email notifier. It handles multiple accounts and supports AOL, Gmail, etc... and many more webmail services with IMAP enabled. It has a simple easy-to-use user interface and configuration panel.

MyPhPim is A Multi-User, Personal Information Manager, including email client, addressbook, notes, todo and calendar, Written In PHP.

AirDrive is a file storage utility that uses the storage capacity of linked IMAP enabled email accounts for file storage with an FTP-like interface.

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

C# Email Server (CES). Implements SMTP and POP3 components that can be used as a standalone server or as components in other applications.

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 PHP-based web frontend to IMAP mail servers (developed on Cyrus imapd currently). The interface supports reading all kinds of MIME multipart mails, fully managing IMAP folder structures including ACLs and basic mail composition.

Small program, which monitors email account via IMAPS (secure version of IMAP) protocol and inform user about new, unread messages. Coded in Java programming language.

Jwapmail is opensource wap (wml) based email client (wapmail) written in PHP using IMAP protocols to communicate with the mailbox server. Jwapmail is compliance to RFC2060 and RFC822. Jwapmail doesn't use php-imap library.

MadMail is a simple Webmail client which can handle POP3, SMTP, and IMAP servers. It is written with PHP (Sessions) an can displays HTML messages and MIME attachments. Features multi-language support No Database required

SmartPost software provides the total electronic mail solution using UNIX/Linux,with IMAP,POP,webmail access as well as web-based administration and web-based control over the mail server.Project is closed.There are some better solutions on marketnow

STS - SupportTicketsystem and Knowledgebase - auto response, Mail - parsing , mysql or mssql, user can rate tickets which where published in the knowledgebase for professional use user groups, admin - groups, ticketstatus - support iv'e read message

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.

B-Client is a Windows DLL that provides internet communications protocols. This C++ DLL supports SMTP, POP, IMAP and NNTP protocols with support for other open internet communication protocols in the future.

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