%% You should probably cite draft-storey-smtp-client-id-16 instead of this revision. @techreport{storey-smtp-client-id-00, number = {draft-storey-smtp-client-id-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-storey-smtp-client-id/00/}, author = {William Storey}, title = {{SMTP Service Extension for Client Identity}}, pagetotal = 12, year = 2015, month = aug, day = 17, abstract = {This document defines an extension for the Simple Mail Transfer Protocol (SMTP) called "CID" to provide a method for clients to indicate an identity to the server. This identity is an additional token that may be used for security and/or informational purposes, and with it a server may optionally apply heuristics using this token.}, }