Re: [exim] Delivering mail for one user on two hosts

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Author: Jan-Piet Mens
Date:  
To: exim-users
Subject: Re: [exim] Delivering mail for one user on two hosts
On Thu Mar 16 2006 at 00:27:01 CET, Jakob Hirsch wrote:

> > Any ideas how to best accomplish this with Exim ? Would an 'unseen'
> > router help me further?
>
> Yes, if you want to preserve the envelope recipient. If not, redirect is
> probably better:
>
> spread:
>  driver = redirect
>  domains = +local_domains
>  data = ${quote_local_part:$local_part}@???,\
>         ${quote_local_part:$local_part}@???

>


If the original message were addressed to two recipients that would
probably result in two distinct messages being routed to b.example.com
right?

Is there any way to suppress that? I have a number of hosts such as
b.example.com which are located in Asia. Bandwidth is lousy and latency
is incredibly high. I'm trying to get mail delivered over there as
effectively as possible. Any kind of saving is worth my while (I'm
also considering batched SMTP, perhaps compressing the batches somehow).

Actually mail for these users is delivered to a central hub in Europe
and I have to then forward these messages to the remote destinations
keeping a copy of the message on the mail hub.

Any ideas?

Thanks,
    -JP