%% You should probably cite rfc2554 instead of this I-D. @techreport{myers-smtp-auth-12, number = {draft-myers-smtp-auth-12}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-myers-smtp-auth/12/}, author = {John G. Myers}, title = {{SMTP Service Extension for Authentication}}, pagetotal = 11, year = 1998, month = nov, day = 20, abstract = {This document defines an SMTP service extension {[}ESMTP{]} whereby an SMTP client may indicate an authentication mechanism to the server, perform an authentication protocol exchange, and optionally negotiate a security layer for subsequent protocol interactions. {[}STANDARDS-TRACK{]}}, }