[exim] Re: RFC822 Date format.

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Autor: Jeremy Harris
Data:  
Para: exim-users
Asunto: [exim] Re: RFC822 Date format.
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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