%% You should probably cite rfc8494 instead of this I-D. @techreport{melnikov-email-over-pmul-04, number = {draft-melnikov-email-over-pmul-04}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-melnikov-email-over-pmul/04/}, author = {David Wilson and Alexey Melnikov}, title = {{Multicast Email (MULE) over ACP 142}}, pagetotal = 15, year = 2018, month = mar, day = 4, abstract = {ACP 142 defines P\_MUL, which is a protocol for reliable multicast in bandwidth constrained and delayed acknowledgement (EMCON) environments running over UDP. This document is a specification of the basic protocol for electronic mail transfer over P\_MUL. It also describes how to gateway this basic protocol to/from Simple Mail Transfer Protocol (RFC 5321), including some common SMTP extensions.}, }