Scappatura Rocco:
> Thank you Wietse.
>
> This is what is set relay_domains on my server:
>
> relay_domains = proxy:mysql:/etc/postfix/mysql-relay-domains.cf
> /etc/postfix/mysql-relay-domains.cf: query = select domain from domain where
> domain='%s' and active='1'
>
> And, obliviously, while the query returns '2domain.tld' for the domain
> 2domain.tld, it returns nothing for domain '3domain.2domain.tld'.
I wrote, by default Postfix will match any subdomain of domains
listed in relay_domains.
It generates queries with the fourth-level name removed, the
third-level name removed, and so on, when relay_domains is listed
in parent_domain_matches_subdomains.
Wietse