%% You should probably cite rfc4686 instead of this I-D.
@techreport{ietf-dkim-threats-03,
    number =    {draft-ietf-dkim-threats-03},
    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-dkim-threats/03/},
    author =    {Jim Fenton},
    title =     {{Analysis of Threats Motivating DomainKeys Identified Mail (DKIM)}},
    pagetotal = 29,
    year =      2006,
    month =     may,
    day =       30,
    abstract =  {This document provides an analysis of some threats against Internet mail that are intended to be addressed by signature-based mail authentication, in particular DomainKeys Identified Mail. It discusses the nature and location of the bad actors, what their capabilities are, and what they intend to accomplish via their attacks. This memo provides information for the Internet community.},
}