Re: [Exim] Multiple instances of exim on one machine

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Szerző: Sascha E. Pollok
Dátum:  
Címzett: Suresh Ramasubramanian
CC: exim-users
Tárgy: Re: [Exim] Multiple instances of exim on one machine
> > I am currently thinking about installing multiple instances
> > of exim on one machine with own dirctory, binaries, spool directory
> > and whatever and just bound them to different ip-addresses.
> > That should work, shoudln't it?
>
> In which case, the answer would be "I guess so, but what do you want
> to accomplish with this setup which can't be accomplished by, say,
> virtual domains"?


Ahhh.. no no. Imagine there is a customer that we need to bill
for his IP-traffic (mainly SMTP). Although he is not connected to
your own network but through a different ISP, you create a DNS host
with an alias interface on your MTA and tell him to use this
DNS name as a SMTP-host only. In case he takes a guess, he could easily
find our that using a different IP address (the primary one of the MTA)
works fine as well and doesn't get accounted.

That's why I'd like to run a 2nd instance that has host_accept_relay
set to the customer's IP while the main exim-installation has not.

That should work, I guess :-)
In case there's a better way I am really happy 'bout every suggestion.

Regards,
Sascha