- name: server | system_setup | create mail aliases lineinfile: path: "/etc/alias" state: present line: "root rene@tantooine.myfirewall.org" # not required. The line to insert/replace into the file. Required for C(state=present). If C(backrefs) is set, may contain backreferences that will get expanded with the C(regexp) capture groups if the regexp matches. - name: server | system setup | generate aliases db command: newaliases