%% You should probably cite rfc8580 instead of this I-D. @techreport{ietf-extra-sieve-fcc-03, number = {draft-ietf-extra-sieve-fcc-03}, 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-fcc/03/}, author = {Kenneth Murchison and Bron Gondwana}, title = {{Sieve Extension: File Carbon Copy (Fcc)}}, pagetotal = 13, year = 2018, month = aug, day = 3, 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.}, }