On 2/12/2021 9:25 AM, John R Levine wrote:
I think that every MDA that adds Delivered-To checks to see of the
message already has the same D-T and if so drops or bounces the message.
MUST or SHOULD or MAY? Or non-normative?
I'm leaning towards non-normative, mostly because I think important
handling directives shouldn't be scattered around into stray
specifications.
That is, I'd think a normative statement about this would be much better
in a BCP-ish document.
d/
--
Dave Crocker
Brandenburg InternetWorking
bbiw.net
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