Miquel van Smoorenburg wrote:
> >> Preambula: one of our mail hubs serving backup MX for
> >> our clients and for some other ISP's clients. I need
> >> a solution, where we provide backup only for hosts/networks,
> >> specified by list.
> >> Currently:
> >> domainlist relay_to_domains = @mx_secondary
> >> ... and I cannot control domains, that points their backup MX
> >> to us. Postfix have option for this, exim - not.
> >
> >why not just putting the list there instead of mx_secondary ?
>
> .. or domainlist relay_to_domains = \
> ${lookup{$domain}partial-lsearch{/etc/relay_to_domains}}
>
> and put the domains in /etc/relay_to_domains.
No, I cannot control this list, coz few thousands of domains
and I does not know all of them.
Your solution was first, but it fails, where too much
"550 Relaying not permitted" listed in maillog.
So, question is still hot.
--
VVS56-RIPE
