@techreport{kucherawy-sender-auth-caps-01, number = {draft-kucherawy-sender-auth-caps-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/html/draft-kucherawy-sender-auth-caps-01}, author = {Murray Kucherawy}, title = {{Indicating Message Authentication System Parameters}}, pagetotal = 20, year = 2009, month = apr, day = 17, abstract = {This memo defines simple extensions to IMAP, POP3 and SMTP to permit a user's message reading software (Mail User Agent, or MUA) to determine the properties of its environment with respect to available message authentication services.}, }