%% You should probably cite rfc3865 instead of this I-D.
@techreport{malamud-no-soliciting-07,
    number =    {draft-malamud-no-soliciting-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-malamud-no-soliciting/07/},
    author =    {Carl Malamud},
    title =     {{A No Soliciting Simple Mail Transfer Protocol (SMTP) Service Extension}},
    pagetotal = 19,
    year =      2004,
    month =     mar,
    day =       22,
    abstract =  {This document proposes an extension to Soliciting Simple Mail Transfer Protocol (SMTP) for an electronic mail equivalent to the real-world "No Soliciting" sign. In addition to the service extension, a new message header and extensions to the existing "received" message header are described. {[}STANDARDS-TRACK{]}},
}