7. A computer-implemented data delivery system, comprising: a tagging component for tagging messaging users with social relationship tags according to types of social relationships; a graphing component for building a social graph for a recipient by adding the tagged messaging users based on categorization of the types of the social relationships of the tagged messaging users, the social graph comprising an entry for each added tagged messaging user, each entry comprising a link to the added tagged messaging user and at least one social relationship tag; an import component for importing information related to the tagged user from external sources to augment the social graph, the import component comprising a contact aggregation provider to access the external sources using delegated authentication codes or password authorization; a messaging component for managing delivery of messages to the recipient from the tagged messaging users based on the social graph; a perimeter component for accessing the social graph at the edge servers and controlling delivery of the messages at edge servers of an email deployment, the perimeter component to use the social graph to determine which messages are allowed for delivery, and to block, at the edge servers, messages from messaging users tagged as blocked in the social graph from passing to internal message servers; and the perimeter component; a processor implementing one or more of the tagging component, the graphing component, the messaging component, or the perimeter component.
7. A computer-implemented data delivery system, comprising: a tagging component for tagging messaging users with social relationship tags according to types of social relationships; a graphing component for building a social graph for a recipient by adding the tagged messaging users based on categorization of the types of the social relationships of the tagged messaging users, the social graph comprising an entry for each added tagged messaging user, each entry comprising a link to the added tagged messaging user and at least one social relationship tag; an import component for importing information related to the tagged user from external sources to augment the social graph, the import component comprising a contact aggregation provider to access the external sources using delegated authentication codes or password authorization; a messaging component for managing delivery of messages to the recipient from the tagged messaging users based on the social graph; a perimeter component for accessing the social graph at the edge servers and controlling delivery of the messages at edge servers of an email deployment, the perimeter component to use the social graph to determine which messages are allowed for delivery, and to block, at the edge servers, messages from messaging users tagged as blocked in the social graph from passing to internal message servers; and the perimeter component; a processor implementing one or more of the tagging component, the graphing component, the messaging component, or the perimeter component. 8. The system of claim 7 , further comprising a delivery component for delivering email messages to respective email locations based on the social graph.