postfix: Remove CentOS 7 support

roles/postfix/files/stunnel-smtps.service

@@ -1,14 +0,0 @@
-[Unit]
-Description=Stunnel for SMTPs connections
-After=network.target
-After=syslog.target
-
-[Service]
-Type=simple
-PrivateTmp=true
-User=smtps
-Group=smtps
-ExecStart=/usr/bin/stunnel /etc/stunnel/smtps.conf
-
-[Install]
-WantedBy=multi-user.target

roles/postfix/handlers/main.yml

@@ -3,8 +3,3 @@
   ansible.builtin.service:
     name: postfix
     state: restarted
-
-- name: Restart stunnel-smtps
-  ansible.builtin.service:
-    name: stunnel-smtps
-    state: restarted

roles/postfix/tasks/main.yml

@@ -37,79 +37,6 @@
     - mail_domain is defined
     - mail_server is defined
 
-- name: Install stunnel
-  ansible.builtin.package:
-    name: stunnel
-    state: installed
-  when:
-    - ansible_distribution_major_version|int <= 7
-    - mail_server is defined
-
-- name: Create group smtps
-  ansible.builtin.group:
-    name: smtps
-    system: true
-  when:
-    - ansible_distribution_major_version|int <= 7
-    - mail_server is defined
-
-- name: Create user smtps
-  ansible.builtin.user:
-    name: smtps
-    comment: Service Stunnel-SMTPS
-    createhome: false
-    group: smtps
-    home: /var/empty
-    shell: /sbin/nologin
-    system: true
-  when:
-    - ansible_distribution_major_version|int <= 7
-    - mail_server is defined
-
-- name: Create stunnel config
-  ansible.builtin.template:
-    src: stunnel.conf.j2
-    dest: /etc/stunnel/smtps.conf
-    mode: 0644
-    owner: root
-    group: "{{ ansible_wheel }}"
-  notify: Restart stunnel-smtps
-  when:
-    - ansible_distribution_major_version|int <= 7
-    - mail_server is defined
-
-- name: Create stunnel systemd service
-  ansible.builtin.copy:
-    src: stunnel-smtps.service
-    dest: /etc/systemd/system/stunnel-smtps.service
-    mode: 0644
-    owner: root
-    group: "{{ ansible_wheel }}"
-  notify: Restart stunnel-smtps
-  when:
-    - ansible_distribution_major_version|int <= 7
-    - mail_server is defined
-
-- name: Enable stunnel service
-  ansible.builtin.service:
-    name: stunnel-smtps
-    state: started
-    enabled: true
-  when:
-    - ansible_distribution_major_version|int <= 7
-    - mail_server is defined
-
-- name: Configure relayhost
-  ansible.builtin.lineinfile:
-    path: /etc/postfix/main.cf
-    regexp: '^relayhost\s*='
-    insertafter: '^#relayhost\s*='
-    line: "relayhost = [localhost]:2525"
-  notify: Restart postfix
-  when:
-    - ansible_distribution_major_version|int <= 7
-    - mail_server is defined
-
 - name: Configure relayhost
   ansible.builtin.lineinfile:
     path: /etc/postfix/main.cf
@@ -118,7 +45,6 @@
     line: "relayhost = [{{ mail_server }}]:465"
   notify: Restart postfix
   when:
-    - ansible_distribution_major_version|int >= 8
     - mail_server is defined
 
 - name: Configure smtp_tls_security_level
@@ -129,7 +55,6 @@
     line: "smtp_tls_security_level = encrypt"
   notify: Restart postfix
   when:
-    - ansible_distribution_major_version|int >= 8
     - mail_server is defined
 
 - name: Configure smtp_tls_wrappermode
@@ -140,7 +65,6 @@
     line: "smtp_tls_wrappermode = yes"
   notify: Restart postfix
   when:
-    - ansible_distribution_major_version|int >= 8
     - mail_server is defined
 
 - name: Enable postfix service

roles/postfix/templates/stunnel.conf.j2

@@ -1,10 +0,0 @@
-foreground = yes
-pid = 
-
-[smtps-wrapper]
-accept = localhost:2525
-client = yes
-connect = {{ mail_server }}:465
-CAfile = {{ tls_bundle }}
-verify = 2
-sslVersion = TLSv1.2