Re: [exim] Selective routing/delivery per user

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Autor: Ted Cooper
Datum:  
To: exim-users @ exim. org
Betreff: Re: [exim] Selective routing/delivery per user
Darren Honeyball wrote:
> Hi,
>
> I have a requirement to be able to somehow set a flag (flat file or
> database) and deliver mail to another server on a per user basis
> depending on the state of the flag. Both servers handle the same domain
> (e.g. partner.company.com).
>
> So, a mail comes into server A for user1@??? - no flag
> is set so its delivered locally on server A. Another mail comes in for
> user2@??? but this time the flag is set, so I'd like to
> deliver this to server B for local delivery there.
>
> Any pointers/tips? I've found various examples, none of which seem to
> work how I'd like when testing them.


If you take the flat file approach, you could put in a manual route with
conditions on it.

Flat file looking like:
user1
user2
user4

Then in routers use something like this. Keep in mind that the order of
routers is very important - this is in fact the key to how this works.
In my setup, this would go after the alias routing but before any local
deliveries.

otherserver:
driver = manualroute
domains = +local_domains
local_parts = lsearch;/path/to/flat/file/above
transport = remote_smtp
route_list = * IP.OF.OTHER.SERVER

[ .. other routers .. ]

localuser:
.. your normal localuser type thing

You can replace the lsearch/flatfile with pretty much any query method
you can think of.
This is will route all message destined for the other server to that
server and any that didn't match would fall through to the remaining
routers.


Ted.

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