%% You should probably cite rfc8997 instead of this I-D.
@techreport{ietf-uta-tls-for-email-04,
    number =    {draft-ietf-uta-tls-for-email-04},
    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-uta-tls-for-email/04/},
    author =    {Loganaden Velvindron and Stephen Farrell},
    title =     {{Deprecation of use of TLS 1.1 for Email Submission and Access}},
    pagetotal = 5,
    year =      2020,
    month =     jan,
    day =       23,
    abstract =  {This specification updates current recommendation for the use of Transport Layer Security (TLS) protocol to provide confidentiality of email between a Mail User Agent (MUA) and a Mail Submission Server or Mail Access Server. This document updates RFC8314.},
}