diff --git a/mailserver.yml b/mailserver.yml
index 132c8ca..8842e2b 100644
--- a/mailserver.yml
+++ b/mailserver.yml
@@ -1,4 +1,4 @@
-#! /usr/bin/env ansible-playbook
+#!/usr/bin/env ansible-playbook
 ---
 # Deploy base and security
 - hosts: mail.adm.auro.re
@@ -9,7 +9,7 @@
 # Deploy LDAP
 - hosts: mail.adm.auro.re
   roles:
-     - ldap_client
+    - ldap_client
 
 # Deploy mail server
 - hosts: mail.adm.auro.re
diff --git a/roles/mail-utils/tasks/main.yml b/roles/mail-utils/tasks/main.yml
index 8f6b269..ac9d64c 100644
--- a/roles/mail-utils/tasks/main.yml
+++ b/roles/mail-utils/tasks/main.yml
@@ -3,7 +3,6 @@
 - name: Install small utility tools
   apt:
     name:
-      - swaks # Swiss Army Knife for SMTP
-      - mutt # small CLI mail client for debug and on-server mail
-      - pwgen # generate strong and cryptographically secure passwords
-
+      - swaks  # Swiss Army Knife for SMTP
+      - mutt  # small CLI mail client for debug and on-server mail
+      - pwgen  # generate strong and cryptographically secure passwords
diff --git a/roles/postfix/tasks/main.yml b/roles/postfix/tasks/main.yml
index 4b5c269..46820e7 100644
--- a/roles/postfix/tasks/main.yml
+++ b/roles/postfix/tasks/main.yml
@@ -4,12 +4,10 @@
 - name: Install Postfix
   apt:
     name: postfix
-    update_cache: true # apt update beforehand
+    update_cache: true  # apt update beforehand
 
 - name: Configure Postfix
   template:
     src: main.cf.j2
     dest: /etc/postfix/main.cf
   notify: Restart postfix service
-
-