% Datatracker information for RFCs on the Legacy Stream is unfortunately often % incorrect. Please correct the bibtex below based on the information in the % actual RFC at https://rfc-editor.org/rfc/rfc1651.txt @misc{rfc1651, series = {Request for Comments}, number = 1651, howpublished = {RFC 1651}, publisher = {RFC Editor}, doi = {10.17487/RFC1651}, url = {https://www.rfc-editor.org/info/rfc1651}, author = {Ned Freed and Dr. John C. Klensin and Dr. Marshall T. Rose and Dave Crocker and Einar A. Stefferud}, title = {{SMTP Service Extensions}}, pagetotal = 11, year = 1994, month = jul, abstract = {This memo defines a framework for extending the SMTP service by defining a means whereby a server SMTP can inform a client SMTP as to the service extensions it supports. {[}STANDARDS-TRACK{]}}, }