SPAMfighter Domino Module (SDM)is the easy-to-use anti-spam/virus solution for Lotus Domino and Lotus Notes. SDM delivers instant spam protection with no configuration or maintenance what so ever. SDM is powered by the SPAMfighter community of more than 6 million users across the globe. SDM seamlessly integrates with Lotus Domino making the solution for your Lotus Notes users very easy and reliable. As email arrives and the Domino Server routes it to its addressees, SDM constructs a unique signature for each message and sends it for evaluation.