> > The IESG has received a request from the Email Address
> > Internationalization WG (eai) to consider the following document:
> > - 'Post-delivery Message Downgrading for Internationalized Email
> > Messages'
> > <draft-ietf-eai-popimap-downgrade-07.txt> as Proposed Standard
> Rats; I missed this in earlier review:
> -- Section 3.2.1 --
> 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.
> It does not. It adds group syntax to "From" only. Group syntax is
> already allowed in "Reply-To", and the draft does not change the rules
> for "Sender".
> If this spec also needs "Sender" to change, I can update the
> 5322upd-from-group for that, but it's not there now.
I think the answer to that is yes, this needs to be allowed for "Sender".
Ned