Feature list:

• Acts as a single location to securely access Domino Mail system from within SharePoint
• Leverages SharePoint Single Sign-On service to enable single sign-on between SharePoint Portal and Domino Web Access
• Re-establishes new session with Domino Web Access to make sure no session timeouts occur
• Automatically captures user credentials for users signing on the first time and stores these credentials encrypted into SharePoint SSO database
• Leverages the look, feel and features of Domino Web Access
• Offline Access through Domino Off-Line Services (DOLS)
• Rich Application functions such as Email, Calendaring, To Do List, Notes, Contacts etc.,
• Context sensitive help
• Secure log-off prevents authorized access to your mail file by closing the browser window containing authentication information
• Delivers messaging and collaboration services to users without a full Lotus Notes Client

Prerequisites:

An administrator to configure the SSO service on SharePoint 2003, and set up the Application Profiles to capture the necessary login credentials from the end users. 

Domino Web Access requires an installation of Lotus Domino 5.0.8 or higher

Domino Mail folder should be enabled for session based authentication on the Domino Server

Domino configuration database requires modifications to store the login form in Domino that the Web Part would submit credentials