%% You should probably cite draft-melnikov-smime-msa-to-mda-04 instead of this revision.
@techreport{melnikov-smime-msa-to-mda-01,
    number =    {draft-melnikov-smime-msa-to-mda-01},
    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-smime-msa-to-mda/01/},
    author =    {William Ottaway and Alexey Melnikov},
    title =     {{MSA-to-MDA S/MIME signing \& encryption}},
    pagetotal = 20,
    year =      2014,
    month =     jan,
    day =       8,
    abstract =  {This document specifies how S/MIME signing and encryption can be applied between a Message Submission Agent (MSA) and a Message Delivery Agent (MDA) or between 2 Message Transfer Agents (MTA).},
}