Embodiments of the present invention address deficiencies of the art in respect to distribution list management for a collaborative object and provide a method, system and computer program product for detecting exceptions for collaborative object addressing in a collaborative computing environment. In an embodiment of the invention, a method for detecting exceptions for collaborative object addressing in a collaborative computing environment can be provided. The method can include retrieving a distribution list for a collaborative object in a collaborative computing environment, comparing addressees in the distribution list to addressees in a list of previously applied addressees, and providing a notification where an addressee in the distribution list does not appear as an addressee in the list of previously applied addresses.