%% You should probably cite rfc3502 instead of this I-D.
@techreport{crispin-imap-multiappend-07,
    number =    {draft-crispin-imap-multiappend-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-crispin-imap-multiappend/07/},
    author =    {Mark Crispin},
    title =     {{Internet Message Access Protocol (IMAP) - MULTIAPPEND Extension}},
    pagetotal = 7,
    year =      2002,
    month =     sep,
    day =       27,
    abstract =  {This document describes the multiappending extension to the Internet Message Access Protocol (IMAP) (RFC 3501). This extension provides substantial performance improvements for IMAP clients which upload multiple messages at a time to a mailbox on the server. A server which supports this extension indicates this with a capability name of "MULTIAPPEND". {[}STANDARDS-TRACK{]}},
}