On 05/07/06, christian meutes <christian.meutes@???> wrote: > > Can these domains be identified uniquely with a DNS query? Have a look
> > at @mx_any and its friends, and then at the dnsdb lookup type. Maybe
> > you can use one of those in a precondition of a manualroute router or
> > in the route_list.
>
> They can only be identified by the lookup on the MX-record.