--- - name: Install needed packages become: true ansible.builtin.apt: name: postfix - name: Copy main.cf become: true ansible.builtin.template: src: main.cf.j2 dest: /etc/postfix/main.cf owner: root group: root mode: 0644 notify: Reload postfix service - name: Allow SMTP/submission to relayhost become: true ansible.builtin.template: src: nftables/output.d/postfix.conf.j2 dest: /etc/nftables/output.d/postfix.conf owner: root group: root mode: 0640 notify: Reload nftables service