Rinse the corn and let it drain. Cut the pineapple into small pieces. Finely dice cucumbers. Wash salads and pluck into bite-sized pieces. Cut salmon into small pieces.
Mix corn, pineapple, cucumber, salad and salmon carefully. For the sauce, lightly whip cream. Mix with mustard and mayonnaise. Season with salt, pepper, lemon juice and horseradish and spread on the salad. Serve garnished with dill and lemon