On Tue, Dec 08, 2020 at 05:56:33PM +0000, Chris Green wrote:
> Having got my several 'send only' systems configured successfully
> (thank you all for your help doing this) I now have another fairly
> minor problem.
>
> Errors from all of these systems are (mostly) sent by root, typically
> they will be cron or anacron processes. As these are just systems on
> my LAN they don't each have their own 'valid on the internet'
> hostname. Thus the error messages come from r...@zbmc.eu whichever
> system has sent it.
>
> While I can look through the E-Mail header to see where the message
> has come from it would be good if I could somehow configure things so
> that the headers I normally see (From:, To: and Subject:) include
> something that indicates where the message is from.
http://www.postfix.org/MULTI_INSTANCE_README.html#quick
--
Viktor.
