@misc{rfc6652,
    series =    {Request for Comments},
    number =    6652,
    howpublished =  {RFC 6652},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6652},
    url =       {https://www.rfc-editor.org/info/rfc6652},
    author =    {Scott Kitterman},
    title =     {{Sender Policy Framework (SPF) Authentication Failure Reporting Using the Abuse Reporting Format}},
    pagetotal = 8,
    year =      2012,
    month =     jun,
    abstract =  {This memo presents extensions to the Abuse Reporting Format (ARF) and Sender Policy Framework (SPF) specifications to allow for detailed reporting of message authentication failures in an on-demand fashion. This memo updates RFC 4408 by providing an IANA registry for SPF modifiers. {[}STANDARDS-TRACK{]}},
}