feat: Update Ansible playbooks and host variables for improved organization and functionality

ansible/playbook_mail.yml

@@ -16,7 +16,7 @@
 
     - name: Set required facts
       ansible.builtin.set_fact:
-        mail_folders: 
+        mail_folders:
           - "{{ mail_home }}/getmail"
           - "{{ mail_home }}/mailboxes"
       tags: always
@@ -54,7 +54,7 @@
         mode: "0750"
         owner: "{{ postfix_user_id }}"
         group: "{{ postfix_group_id }}"
-      loop: 
+      loop:
         - "{{ mail_home }}/postfix"
       tags:
         - tasks