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.
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