@misc{rfc2821, series = {Request for Comments}, number = 2821, howpublished = {RFC 2821}, publisher = {RFC Editor}, doi = {10.17487/RFC2821}, url = {https://www.rfc-editor.org/info/rfc2821}, author = {Dr. John C. Klensin}, title = {{Simple Mail Transfer Protocol}}, pagetotal = 79, year = 2001, month = apr, day = 1, abstract = {This document is a self-contained specification of the basic protocol for the Internet electronic mail transport. {[}STANDARDS-TRACK{]}}, }