@misc{rfc8580,
    series =    {Request for Comments},
    number =    8580,
    howpublished =  {RFC 8580},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC8580},
    url =       {https://www.rfc-editor.org/info/rfc8580},
    author =    {Kenneth Murchison and Bron Gondwana},
    title =     {{Sieve Extension: File Carbon Copy (FCC)}},
    pagetotal = 12,
    year =      2019,
    month =     may,
    abstract =  {The Sieve email filtering language provides a number of action commands, some of which can generate additional messages on behalf of the user. This document defines an extension to such commands to allow a copy of any generated message to be filed into a target mailbox. This document updates RFCs 5230 and 5435 by adding a new tagged argument to the Vacation and Notify actions, respectively.},
}