What Is Mailman?
Mailman is software for managing electronic mail discussion and e-newsletter lists. Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more. In order to get the full use of Mailman, all you need is a browser and an email program such as Outlook and Thunderbird.