On 25/09/2023 05:11, Viktor Dukhovni via Exim-users wrote:
> Does Exim add any of:
>
> * Resent-From
> * Resent-Date
> * Resent-Message-Id
>
> automatically[1], when a message has other Resent- headers (Resent-To, ...).
> If not, would that be a reasonable future feature?
Not Exim's job. RFC 5322 3.6.6 says:
Note: Reintroducing a message into the transport system and using
resent fields is a different operation from "forwarding".
Exim can do forwarding, sure. Reintroduction would be some other actor
passing a message to Exim; it'd be that other actor's responsibility to
do all the Resent- stuff. If it can do any of them there's no good
reason it can't do all.
You *could* make Exim do it with sufficient ACL programming in your config,
though I suspect you'd be at risk of an inconsistent set of resulting
headers.
--
Cheers,
Jeremy
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