{"description": "Edit <tt>/etc/postfix/main.cf</tt>, and configure the contents of\nthe <tt>mynetworks</tt> variable in one of the following ways:\n<ul>\n<li>If any system in the subnet containing the MTA may be trusted to relay\nmessages, add or correct the following line:\n<pre>mynetworks_style = subnet</pre>\nThis is also the default setting, and is in effect if all\n<tt>my_networks_style</tt> directives are commented.</li>\n<li>If only the MTA host itself is trusted to relay messages, add or correct\nthe following line:\n<pre>mynetworks_style = host</pre></li>\n<li>If the set of systems which can relay is more complicated, manually\nspecify an entry for each netblock or IP address which is trusted to relay by\nsetting the <tt>mynetworks</tt> variable directly:\n<pre>mynetworks = 10.0.0.0/16, 192.168.1.0/24, 127.0.0.1</pre></li>\n</ul>", "warnings": [], "requires": [], "conflicts": [], "values": {}, "groups": {}, "rules": {}, "platform": "", "platforms": [], "inherited_platforms": ["system_with_kernel", "package[postfix]"], "cpe_platform_names": [], "title": "Configure Trusted Networks and Hosts", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/services/mail/postfix_harden_os/postfix_server_cfg/postfix_server_relay/postfix_server_relay_set_trusted/group.yml"}