diff --git a/defaults/main.yml b/defaults/main.yml
index e1c320e..39a30c8 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -5,6 +5,18 @@
 # carpeta por defecto para el mail
 dovecot_mail_home: "{{ vmail_home | default('/srv/mail') }}"
 
+# usuario por defecto para el mail
+dovecot_mail_user: "{{ vmail_user | default('vmail') }}"
+
+# uid por defecto para vmail
+dovecot_mail_uid: "{{ vmail_uid | default(5000) }}"
+
+# grupo por defecto para vmail
+dovecot_mail_group: "{{ vmail_group | default('vmail') }}"
+
+# gid por defecto para vmail
+dovecot_mail_gid: "{{ vmail_gid | default(5000) }}"
+
 # carpeta de mail de cada usuario
 dovecot_user_home: "{{ dovecot_mail_home }}/mail/%d/%n"
 
diff --git a/tasks/main.yml b/tasks/main.yml
index 414cf68..62f5401 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -24,6 +24,19 @@
       {% endif %}
       ]
 
+- name: Crear grupo para el mail
+  group:
+    name: "{{ dovecot_mail_group }}"
+    gid:  "{{ dovecot_mail_gid }}"
+
+- name: Crear usuario para el mail
+  user:
+    name:  "{{ dovecot_mail_user }}"
+    uid:   "{{ dovecot_mail_uid }}"
+    group: "{{ dovecot_mail_group }}"
+    home:  "{{ dovecot_mail_home }}"
+    shell: /bin/false
+
 - name: Directorios de configuración de Dovecot
   file:
     path: "{{ item }}"
diff --git a/templates/10-mail.conf.j2 b/templates/10-mail.conf.j2
index e4c7b9e..4322365 100644
--- a/templates/10-mail.conf.j2
+++ b/templates/10-mail.conf.j2
@@ -27,8 +27,8 @@ namespace inbox {
 # System user and group used to access mails. If you use multiple, userdb
 # can override these by returning uid or gid fields. You can use either numbers
 # or names. <doc/wiki/UserIds.txt>
-mail_uid = {{ vmail_user }}
-mail_gid = {{ vmail_group }}
+mail_uid = {{ dovecot_mail_user }}
+mail_gid = {{ dovecot_mail_group }}
 
 # Group to enable temporarily for privileged operations. Currently this is
 # used only with INBOX when either its initial creation or dotlocking fails.
@@ -134,7 +134,7 @@ mail_gid = {{ vmail_group }}
 
 # Space separated list of plugins to load for all services. Plugins specific to
 # IMAP, LDA, etc. are added to this list in their own .conf files.
-mail_plugins = $mail_plugins {% if dovecot_plugin_quota_enable -%}
+mail_plugins = $mail_plugins {% if dovecot_quota_enable -%}
 quota
 {% endif %}
 
@@ -144,7 +144,7 @@ quota
 
 # Mailbox list indexes can be used to optimize IMAP STATUS commands. They are
 # also required for IMAP NOTIFY extension to be enabled.
-{% if dovecot_plugin_quota_enable and dovecot_plugin_quota.driver == "count" -%}
+{% if dovecot_quota_enable and dovecot_quota_driver == "count" -%}
 mailbox_list_index = yes
 {% endif %}