>> I think 5322upd-from-group needs to apply to both >> backward-pointing address types to be effective for what >> popimap-downgrade needs. > > I will make the change. But in any case, the downgrade doc needs to remove "reply-to" from the list of header fields that 5322upd-from-group changes. Maybe this: OLD This procedure may generate empty <group> elements in "From:", "Sender:" and "Reply-To:" header fields. [I-D.leiba-5322upd-from-group] updates [RFC5322] to allow (empty) <group> elements in "From:", "Sender:" and "Reply-To:" header fields. NEW This procedure may generate empty <group> elements in "From:", "Sender:" and "Reply-To:" header fields. [I-D.leiba-5322upd-from-group] updates [RFC5322] to allow (empty) <group> elements in "From:" and "Sender:". Barry