@techreport{hall-prdr-00, number = {draft-hall-prdr-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-hall-prdr/00/}, author = {Professor Eric B. Hall}, title = {{SMTP Service Extension for Per-Recipient Data Responses (PRDR)}}, pagetotal = 0, year = 2007, month = apr, day = 4, abstract = {This memo defines an extension to the SMTP protocol that allows for the use of recipient-specific responses to message transfers.}, }