Todd Lyons <tlyons@???> (Mo 08 Nov 2010 23:42:02 CET): > iptables should be able to do this. We use iptables to redirect port
> 80 to some other port. It should be trivial to make the redirection
> to your exim port apply to some specific source addresses, then add a
> second default redirection to a different port for the rest.
iptables can't reverse resolve ip addresses at runtime, as far as I
know.
So if you'd like to setup some redirection based on *.badhosts.com,
it is not easy using plain iptables for this.
