%% You should probably cite draft-kundrat-imap-submit-02 instead of this revision.
@techreport{kundrat-imap-submit-01,
    number =    {draft-kundrat-imap-submit-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-kundrat-imap-submit/01/},
    author =    {Jan Kundrat},
    title =     {{IMAP SUBMIT Extension}},
    pagetotal = 13,
    year =      2013,
    month =     feb,
    day =       25,
    abstract =  {This document extends the IMAP protocol with a feature to submit e-mail messages for delivery. It is intended to serve as a better alternative to the URLAUTH/BURL approach.},
}