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E-MailRelay is a simple SMTP proxy and relay MTA, written in C++, for Linux and Windows. As a proxy all messages can be passed through a user-defined program, such as a spam-filter, which can drop, readdress, or edit messages as they pass through.
Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support
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.
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An unofficial web console to administer Apache James 3 server
MOVED TO: https://github.com/fulvio999/jamesui
Jamesui is an unofficial web interface to manage and monitor Apache James 3 mail server.
It is written in Java and run inside Apache Tomcat.
This java program allows you to make backups of your emails from one server to an other by copying emails over IMAP. It can also be used to switch emails you have from your old provider to your new one.
Java program that creates an SMTP message and sends it off. It can be used to test SMTP functionality as well as security. This test SMTP at the application level. Requires Java 6.
Mailster is a project aimed at testing software mail capabilities. It provides a mail server container to test emails sent by your apps without rewriting your application code.
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JXchange is an mail server multiplataform, written in Java language, like MS-Exchange. This project includes SMTP server, POP3 server, IMAP server, web management interface and webmail designed to run in almost all OS.
A Web Frontend to administrate email accounts, the real domain and virtual domains for a Postfix Server, which use a MySql Backend (maybe other Backends work also). The Project was written in Java using JavaServer Faces.
Java Mail Forwarder.
This application listen to a Microsoft exchange server, checking if a new mail arrived, pushing the content to an specified Mail address.
It uses JavaMail API to connect to the server.
Jsmtpd : A small and modular smtp email server daemon, written in Java. Jsmtpd is heavily based on plugins, and supports : spam detection (Spamassassin, Jasen, RBL servers, BlackList), anti virus (Clam Antivirus), and many others filters.
A SMTP to ESMTP proxy that accepts mail, parses it for template variables. The template variables are rendered with values from a CSV file. Next they are sent to the ESMTP server. Uses Template::Toolkit, Config::Simple alongwith other libraries.
AISK is an acronym for Artificial Intelligence Spam Killer. It is a server side filter that acts as a kind of PROXY and uses SMTP to communicate with MTA. Main decision mechanism is based on artificial neural network capable of finding patterns, learning
Hedwig is a java-based modular communications system that handles collection and organization of multiple modes of communication, from email to instant messaging to RSS feeds. Hedwig also acts as a local server, presenting its organizational capabilities
A little Java-Server-Software (like a SMTP-proxy), which accepts incoming SMTP-Messages. The subject will be parsed for @ or + symbols, which should control time shifted sending. If not contained, the message will be forwarded to parent smtp.
The goal of this project is to develop a very simple SMTP server that responds to SMTP requests and makes received messages available for query at a later time. All useful features for a SMTP server that can be used in an automated testing suite.
SIMON is a very simple MTA and POP3 implementation. It is completely designed from the ground up and is useful for departmental or small to medium sized companies.