j2 said:
> Well, the system has no local domains, but only routes to a few other
> servers. And the router has
>
> accept domains = +relay_to_domains
> endpass
> verify = recipient
>
> set, so i dont see what more i could do? Teh backend server doesnt accept
> the mail since the user is unknown.
>
Change that to
accept domains = +relay_to_domains
verify = recipient/callout=10s
This will do a recipient callout to the backend server before accepting
the message. Results will be cached so you get no extra overhead for
commonly-occuring valid users.
The docs have much more info on this.....
Peter