@techreport{kucherawy-sender-auth-esmtp-02,
    number =    {draft-kucherawy-sender-auth-esmtp-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-kucherawy-sender-auth-esmtp/02/},
    author =    {Murray Kucherawy},
    title =     {{SMTP Service Extension for Indicating Message Authentication Status}},
    pagetotal = 18,
    year =      2009,
    month =     apr,
    day =       17,
    abstract =  {This memo defines an extension to the Simple Mail Transfer protocol (SMTP) service whereby a server can indicate its ability to accept and apply information regarding the efforts of upstream SMTP servers to establish authenticity of the message via various authentication methods.},
}