Insight Server is a Linux-based email server utilizing open source components to provide a highly reliable, scalable, and cost effective email solution for customers of all sizes. It's designed to facilitate complete messaging and collaboration capabilities within a company. It supports all standard protocols, and provides backup and recovery tools, server redundancy, migration tools, and resource management.
PHPEmaillist is a Web-based one-way announcement system that allows you to send emails to your subscribers. Visitors to your Web site can easily subscribe and unsubscribe to multiple lists. Each email can be personalized with the recipients name, logs of all emails are kept, and large lists can be processed.
Microbrew Message Center is designed to be an immensely scalable mail platform supporting multiple users, multiple domains, and multiple mail servers. It is akin to iPlanet or post.office but is not as complex and uses open source software to perform mundane services such as Web and mail services.
Ezmlm mailing list manager class is a PHP class to create and manage mailing lists with ezmlm. It features display of a table that shows lists already created, listing of local and domain parts as well as the number of current subscribers, creation and alteration of list properties, alteration of list automatic message texts, and support for list virtual hosts. It comes with a SOAP server interface to handle remote requests to subscribe and unsubscribe users, count subscribers, and verify if an address is already subscribed.
MX Newsletter is a tool for the Dreamweaver programmers that want to create a Web based application to send HTML and text e- mail campaigns to registered users. It is easy to customize and features a wizard for fast newsletter creation and visual editing with KTML3, mail templates, reports about newsletter impact, and topics and topic groups.
j-XChange is a pure Java implementation of the entire Collaboration Data Objects (CDO 1.21) library for accessing Microsoft Exchange Server in a platform independent manner. This library will allow interoperability with MS Exchange from all non-Windows platforms that support Java. This library is powered by j-Interop.