Install postfix

playbook.yml

@@ -1,5 +1,6 @@
 ---
 - name: Install services for lime2 home server
+  gather_facts: true
   hosts: lime2
   roles:
     - role: common

roles/mail/tasks/main.yml

@@ -0,0 +1,15 @@
+---
+- name: Install Postfix
+  become: true
+  ansible.builtin.apt:
+    name: postfix
+    state: present
+
+- name: Copy main.cf
+  become: true
+  ansible.builtin.template:
+    src: main.cf.j2
+    dest: /etc/postfix/main.cf
+    owner: root
+    group: root
+    mode: 0644

roles/mail/templates/main.cf.j2

@@ -0,0 +1,33 @@
+#myorigin = /etc/mailname
+
+smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
+biff = no
+
+# appending .domain is the MUA's job.
+append_dot_mydomain = no
+
+
+readme_directory = no
+compatibility_level = 2
+
+# TLS parameters
+smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
+smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
+smtpd_tls_security_level=may
+
+smtp_tls_CApath=/etc/ssl/certs
+smtp_tls_security_level=may
+smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
+
+
+smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
+myhostname = {{ ansible_hostname }}
+alias_maps = hash:/etc/aliases
+alias_database = hash:/etc/aliases
+mydestination = $myhostname, {{ ansible_hostname }}, localhost.localdomain, , localhost
+relayhost =
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
+mailbox_size_limit = 0
+recipient_delimiter = +
+inet_interfaces = all
+inet_protocols = all