Re: [exim] Route replies to "shared" mails back to other rec…

On 27/04/2021 16:27, Dmitriy Matrosov via Exim-users wrote:
> Suppose i have a single "shared" mailbox, which redirects mail to several other user's mailboxes (so, several users read incoming mails). And then one user replies. But other users won't see this reply. How can i route reply to other users too (well, "other users" means only users to whom initial mailbox was aliased)?
>
> I'm thinking about identifying original message recipient (i.e. "shared" mailbox) using Message-ID header, and then looking up its aliases, but it seems Message-ID does not contain localpart, only domain.

If you have the delivering transport set the "envelope_to_add" option,
does that help?
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Cheers,
Jeremy