Netauth for Mac

From NetWin:

NetAuth is a web based Email management system for Users, Virtual Domain Administrators and System Administrators. It allows Users to create and manage their own Email accounts, Virtual Domain administrators to manage accounts in their domain, and System Administrators to manage all accounts and create domain administrators. NetAuth provides facilities for the creation and deletion of Email accounts, and for password changes. It is fully customizable, allowing you to add your own banner ads, logos, etc to any page that the user will see. In addition, HTML templates are used for key pages so that you can create a look and feel that matches your existing site. NetAuth provides easy installation for Service Providers, requires no installation for clients, and will integrate smoothly with any Email system. User and System Administrator help are available online. It provides extensive support for virtual domains. NetAuth comes with an unlimited user license including 12 months of full email support and free upgrades.