%% You should probably cite rfc2221 instead of this I-D.
@techreport{gahrns-imap-login-referrals-02,
    number =    {draft-gahrns-imap-login-referrals-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-gahrns-imap-login-referrals/02/},
    author =    {Mike Gahrns},
    title =     {{IMAP4 Login Referrals}},
    pagetotal = 5,
    year =      1997,
    month =     sep,
    day =       23,
    abstract =  {When dealing with large amounts of users and many IMAP4 {[}RFC-2060{]} servers, it is often necessary to move users from one IMAP4 server to another. Login referrals allow clients to transparently connect to an alternate IMAP4 server, if their home IMAP4 server has changed. {[}STANDARDS-TRACK{]}},
}