Re: loop homework, not an experiment, draft-crocker-email-deliveredto

"John R Levine" <[email protected]> 7 Aug 2021 12:40:41 -0400
Newsgroups gmane.ietf.smtp
Message-ID <[email protected]>
> A single token describes all of the recipients? Or do you simply generate 
> more than one Delivered-to: in the same message?

Whenever a message goes through a delivery step the MTA adds a 
Delivered-To.  If the same Delivered-To is already there, it's a loop so 
it stops.

> Let's make this concrete. We have these aliases:
>
> alias1: local-recipient-1, local-recipient-2
>
> alias2: remote-recipient-1, remote-recipient-2
>
> How many message copies do these generate, and what fields are added?

Depends on the MTA, same as always.  I expect some will combine recipients 
that take the same path, some won't.

Regards,
John Levine, [email protected], Taughannock Networks, Trumansburg NY
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