@misc{rfc6152,
    series =    {Request for Comments},
    number =    6152,
    howpublished =  {RFC 6152},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6152},
    url =       {https://www.rfc-editor.org/info/rfc6152},
    author =    {Dave Crocker and Dr. John C. Klensin and Dr. Marshall T. Rose and Ned Freed},
    title =     {{SMTP Service Extension for 8-bit MIME Transport}},
    pagetotal = 7,
    year =      2011,
    month =     mar,
    abstract =  {This memo defines an extension to the SMTP service whereby an SMTP content body consisting of text containing octets outside of the US-ASCII octet range (hex 00-7F) may be relayed using SMTP. {[}STANDARDS-TRACK{]}},
}