%% You should probably cite rfc9042 instead of this I-D.
@techreport{ietf-extra-sieve-mailboxid-09,
    number =    {draft-ietf-extra-sieve-mailboxid-09},
    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-extra-sieve-mailboxid/09/},
    author =    {Bron Gondwana},
    title =     {{Sieve Email Filtering: Delivery by MAILBOXID}},
    pagetotal = 8,
    year =      2021,
    month =     mar,
    day =       16,
    abstract =  {The OBJECTID capability of IMAP (RFC 8474) allows clients to identify mailboxes by a unique identifier that survives renaming. This document extends the Sieve email filtering language (RFC 5228) to allow using that same unique identifier as a target for fileinto rules and for testing the existence of mailboxes.},
}