Postfix: The Definitive Guide

Name

parent_domain_matches_subdomains

Possible values:

yes/no

Default:

(see example)

List of lookup map types where lookups should match the domain itself plus all of its subdomains.

Example:

parent_domain_matches_subdomains = debug_peer_list, fast_flush_domains,
                mynetworks, permit_mx_backup_networks, qmqpd_authorized_clients,
                relay_domains, smtpd_access_maps