Re: Fwd: New Version Notification for draft-crocker-email-deliveredto-05.txt

On Sun, Aug 08, 2021 at 07:02:02PM +0200, Alessandro Vesely wrote:

> The new syntax looks puzzling:
> 
>     "Delivered-To:"  FWS *phrase Mailbox *phrase CRLF
>                      ; Mailbox is from [SMTP]
> 
> The presence of phrases around the Mailbox makes this field difficult 
> to parse.  Without angle brackets, the presence of an unquoted "@" 
> being the only difference.  It is puzzling because phrase usage is 
> neither discussed nor exemplified, and IME not seen in the wild.

Nobody puts unstructured phrases into "Delivered-To".  There are no
display names in this context, because the payload is derived
exclusively from an envelope address.  The "phrase" bits are redundant
and incompatible with current practice.

-- 
    Viktor.