@misc{rfc7281,
    series =    {Request for Comments},
    number =    7281,
    howpublished =  {RFC 7281},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC7281},
    url =       {https://www.rfc-editor.org/info/rfc7281},
    author =    {Alexey Melnikov},
    title =     {{Authentication-Results Registration for S/MIME Signature Verification}},
    pagetotal = 11,
    year =      2014,
    month =     jun,
    abstract =  {RFC 7001 specifies the Authentication-Results header field for conveying results of message authentication checks. This document defines a new authentication method to be used in the Authentication- Results header field for S/MIME-related signature checks.},
}