diff --git a/linux/base-config-debian/roles/base-config-debian-os/handlers/main.yaml b/linux/base-config-debian/roles/base-config-debian-os/handlers/main.yaml
new file mode 100644
index 0000000..80b8eb3
--- /dev/null
+++ b/linux/base-config-debian/roles/base-config-debian-os/handlers/main.yaml
@@ -0,0 +1,5 @@
+# restart exim4 service to apply changes
+- name: Restart exim4 service
+  service:
+    name: exim4
+    state: restarted
\ No newline at end of file
diff --git a/linux/base-config-debian/roles/base-config-debian-os/tasks/main.yaml b/linux/base-config-debian/roles/base-config-debian-os/tasks/main.yaml
index 4a67f09..ed88a5f 100644
--- a/linux/base-config-debian/roles/base-config-debian-os/tasks/main.yaml
+++ b/linux/base-config-debian/roles/base-config-debian-os/tasks/main.yaml
@@ -34,16 +34,49 @@
     upgrade: dist
     state: latest
 
-# install exim4
-- name: install exim4
+# install packages
+- name: install some packages (vim htop psmisc aptitude)
   apt:
-    name: exim4
+    name: "{{ item }}"
     state: present
+  with_items:
+    - vim
+    - htop
+    - psmisc
+    - aptitude
+    - nslcd
+    - exim4
+
+# install exim4 ---> instalacion en Install packages task
+#- name: install exim4
+#  apt:
+#    name: exim4
+#    state: present
 
 # Reconfigure relayhost smtp to smtp.verdnatura.es
 - name: reconfigure relayhost to smtp.verdnatura.es
   debconf:
     name: exim4-config
-    question: exim4/dc_smarthost
-    value: smtp.verdnatura.es
-    vtype: string
\ No newline at end of file
+    question: "{{ item.name }}"
+    value: "{{ item.value }}"
+    vtype: string
+  loop:
+    - name: exim4/dc_smarthost
+      value: smtp.verdnatura.es
+    - name: exim4/dc_local_interfaces
+      value: ""
+    - name: exim4/dc_minimaldns
+      value: 'false'
+    - name: exim4/dc_readhost
+      value: "{{ dc_readhost }}"  # var to define survey(encuesta)
+    - name: exim4/dc_other_hostnames
+      value: ""
+    - name: exim4/dc_eximconfig_configtype
+      value: "mail sent by smarthost; no local mail"
+    - name: exim4/mailname
+      value: "{{ mailname }}"  # var to define survey(encuesta)
+    - name: exim4/use_split_config
+      value: 'false'
+  notify: Restart exim4 service
+
+# configure centralized authentication