Sujit Choudhury wrote:
> Alex,
> The problem is our MTA is a gateway. It handles the traffic for
> m25lib.ac.uk, psi.org.uk etc. It does not have local users. Depending
> on various rewrite rules, it just passes the mail to some other (less
> powerful) host.
>
> So the ACL you have suggested will not work easily.
You could use forward callouts
accept domains = +local_domains
endpass
message = Unknown local user
verify = recipient/callout
Unless you have a REALLY wicked setup, this should work. Also the
results are cached, so it won't check again for some time.
Nico
