%% You should probably cite rfc7372 instead of this I-D.
@techreport{ietf-appsawg-email-auth-codes-06,
    number =    {draft-ietf-appsawg-email-auth-codes-06},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-appsawg-email-auth-codes/06/},
    author =    {Murray Kucherawy},
    title =     {{Email Authentication Status Codes}},
    pagetotal = 7,
    year =      2014,
    month =     aug,
    day =       5,
    abstract =  {This document registers code points to allow status codes to be returned to an email client to indicate that a message is being rejected or deferred specifically because of email authentication failures. This document updates {[}RFC7208{]} since some of the code points registered replace the ones recommended for use in that document.},
}