--- postfix_simple_mydestination: - "$myhostname" - "{{ host_name }}.{{ host_domain }}" - "localhost" postfix_simple_mynetworks: - "127.0.0.0/8" - "[::ffff:127.0.0.0]/104" - "[::1]/128" postfix_simple_inet_interfaces: - "loopback-only" postfix_simple_inet_protocols: - "all" postfix_simple_relayhost: ""