diff --git a/defaults/main.yml b/defaults/main.yml
index 329faf1..2317704 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,22 +1,22 @@
 ---
-postfix_hostname: '{{ ansible_fqdn }}'
-postfix_origin: '$myhostname'
+postfix_hostname: "{{ ansible_fqdn }}"
+postfix_origin: "$myhostname"
 postfix_config: {}
 postfix_default_config:
   smtpd_banner: $myhostname ESMTP $mail_name (Debian/GNU)
-  biff: 'no'
-  append_dot_mydomain: 'no'
-  readme_directory: 'no'
+  biff: "no"
+  append_dot_mydomain: "no"
+  readme_directory: "no"
   compatibility_level: 2
-  myhostname: '{{ ansible_fqdn }}'
+  myhostname: "{{ ansible_fqdn }}"
   myorigin: $myhostname
   mydestination: $myhostname, localhost
   default_transport: smtp
   mynetworks: 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
-  mailbox_size_limit: '0'
-  recipient_delimiter: '+'
+  mailbox_size_limit: "0"
+  recipient_delimiter: "+"
   inet_interfaces: localhost
   inet_protocols: all
-postfix_full_config: '{{ postfix_default_config|combine(postfix_config) }}'
+postfix_full_config: "{{ postfix_default_config | combine(postfix_config) }}"
 postfix_transports: {}
 postfix_aliases: {}
diff --git a/handlers/main.yml b/handlers/main.yml
index 9f60728..098eb91 100644
--- a/handlers/main.yml
+++ b/handlers/main.yml
@@ -1,11 +1,11 @@
 ---
-- name: reload postfix
+- name: Reload postfix
   ansible.builtin.service:
     name: postfix
     state: reloaded
 
-- name: map transport
+- name: Map transport  # noqa no-changed-when
   ansible.builtin.command: postmap /etc/postfix/transport
 
-- name: map aliases
+- name: Map aliases  # noqa no-changed-when
   ansible.builtin.command: postalias /etc/postfix/aliases
diff --git a/meta/main.yml b/meta/main.yml
index d7250c9..78615ab 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -6,7 +6,7 @@ galaxy_info:
   company: Adrien Waksberg
   description: Install and configure a simple mta with postfix
   license: Apache2
-  min_ansible_version: 2.9
+  min_ansible_version: "2.9"
 
   platforms:
     - name: Debian
diff --git a/tasks/main.yml b/tasks/main.yml
index c70c590..f2cea90 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,13 +1,13 @@
 ---
-- name: install packages
+- name: Install packages
   ansible.builtin.package:
     name:
       - postfix
       - bsd-mailx
   tags: postfix
 
-- name: copy file configuration
-  template:
+- name: Copy file configuration
+  ansible.builtin.template:
     src: '{{ item }}.j2'
     dest: '/etc/postfix/{{ item }}'
     owner: root
@@ -18,14 +18,14 @@
     - aliases
     - transport
   notify:
-    - reload postfix
-    - map aliases
-    - map transport
+    - Reload postfix
+    - Map aliases
+    - Map transport
   tags: postfix
 
-- name: enable and start service
+- name: Enable and start service
   ansible.builtin.service:
     name: postfix
-    enabled: yes
+    enabled: true
     state: started
   tags: postfix