On Tue, 10 Feb 1998, Philip Hazel wrote:
> Not possible. At present Exim keeps just one copy of the headers for all
> recipients. It seems to me that the rewriting should happen in the hub,
Well, that is what I thought, but I have been instructed to rewrite.
Looks like everything will have to leave may subdomain as *@dmu.ac.uk
then, and load the hub.
> and you should use routing to arrange not to send anything there unless
> it is outward bound. The hub can then just rewrite always.
The hub will re-route *@dmu.ac.uk to the right machines. So
now to have a look at smartuser again, so I know which *@dmu is
really local.
>
> > Because the rewriting is conditional on destination it seems I have to do
> > this with the system filter, but I cannot see how.
>
> System filter is run at the start of delivery, long before any routing
> or directing happens. It is those that determine the destinations. Also
> the system filter is run just *once per message*, not per address.
Ok, I was just thinking about moving some of the routing intelligence
further forward. Now I will just keep it simple! :-)
Thank you. At least I know now why I was finding it so hard
to find this scenario in the docs :-)
>
> --
> Philip Hazel University Computing Service,
> ph10@??? New Museums Site, Cambridge CB2 3QG,
> P.Hazel@??? England. Phone: +44 1223 334714
>
>
Hugh
hgs@???
--
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