@techreport{ietf-sml-structured-email-06,
    number =    {draft-ietf-sml-structured-email-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-sml-structured-email/06/},
    author =    {Hans-Jörg Happel},
    title =     {{Structured Email}},
    pagetotal = 19,
    year =      2026,
    month =     jun,
    day =       1,
    abstract =  {This document specifies how a machine-readable variant of its content can be added to email messages.},
}