docker-mx-server/postfix/config/states/postfix/config/pgsql_relay_domains.cf

hosts = {{ salt['pillar.get']("model:postgres:host") }}
user = {{ salt['pillar.get']("model:postgres:user") }}
password = {{ salt['pillar.get']("model:postgres:password") }}
dbname = {{ salt['pillar.get']("model:postgres:database") }}
query = SELECT domain FROM domain WHERE domain='%s' and backupmx = true