A method, apparatus, and computer implementable instructions for insuring delivery of an electronic document in a data processing system. A request is received from a requestor to insure delivery of the electronic document. In response to receiving the request, a payment amount to insure delivery is...http://www.google.com/patents/US7426477?utm_source=gb-gplus-sharePatent US7426477 - Method and apparatus for insuring delivery of electronic documents in a network data processing system
