diff --git a/evolinux-base/defaults/main.yml b/evolinux-base/defaults/main.yml
index 90ed4975..e0b6ad6b 100644
--- a/evolinux-base/defaults/main.yml
+++ b/evolinux-base/defaults/main.yml
@@ -162,7 +162,6 @@ evolinux_postfix_packages: True
 evolinux_postfix_users_alias_root: True
 evolinux_postfix_mailer_alias_root: True
 evolinux_postfix_root_alias: True
-evolinux_postfix_purge_exim: True
 
 # logs
 
@@ -232,4 +231,4 @@ evolinux_cron_checkhpraid_frequency: daily
 evolinux_motd_include: True
 
 # Utils
-evolinux_utils_include: True
\ No newline at end of file
+evolinux_utils_include: True
diff --git a/evolinux-base/files/cert.sh b/evolinux-base/files/cert.sh
new file mode 100644
index 00000000..f43a9dad
--- /dev/null
+++ b/evolinux-base/files/cert.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+# Shortcut to show certificate content or enddate.
+#
+
+usage() {
+    echo "Usage : cert [date] <CERT_PATH>"
+}
+
+if [ "$#" -eq 1 ]; then
+    cert_path=$1
+    if [ -f "${cert_path}" ]; then
+        openssl x509 -noout -in "${cert_path}" -text
+    else
+        >&2 echo "Error, file ${cert_path} does not exist."
+    fi
+
+elif [ "$#" -eq 2 ]; then
+    if [ "$1" = "date" ]; then
+        cert_path=$2
+        if [ -f "${cert_path}" ]; then
+            openssl x509 -noout -in "$cert_path" -enddate
+        else
+            >&2 echo "Error, file ${cert_path} does not exist."
+        fi
+    else
+        >&2 echo "Error, two arguments provided but 'date' is only allowed as first."
+        usage
+        exit 1
+    fi
+
+else
+    >&2 echo "Error, more than two arguments provided."
+    usage
+    exit 1
+fi
+
diff --git a/evolinux-base/tasks/postfix.yml b/evolinux-base/tasks/postfix.yml
index d9dba3e2..c806b49f 100644
--- a/evolinux-base/tasks/postfix.yml
+++ b/evolinux-base/tasks/postfix.yml
@@ -1,33 +1,7 @@
 ---
 
-- name: Postfix packages are installed
-  ansible.builtin.apt:
-    name:
-      - postfix
-      - mailgraph
-    state: present
-  tags:
-    - packages
-    - postfix
-  when: evolinux_postfix_packages | bool
-
-- name: configure postfix myhostname
-  ansible.builtin.lineinfile:
-    dest: /etc/postfix/main.cf
-    state: present
-    line: "myhostname = {{ evolinux_fqdn }}"
-    regexp: '^myhostname'
-  notify: reload postfix
-  tags:
-    - postfix
-
-- name: configure postfix mynetworks
-  ansible.builtin.lineinfile:
-    dest: /etc/postfix/main.cf
-    state: present
-    line: "mydestination = {{ [evolinux_fqdn, evolinux_internal_fqdn] | unique | join(' ') }} localhost.localdomain localhost localhost.$mydomain"
-    regexp: '^mydestination'
-  notify: reload postfix
+- ansible.builtin.include_role:
+    name: evolix/postfix
   tags:
     - postfix
 
@@ -81,18 +55,3 @@
 
 - ansible.builtin.meta: flush_handlers
 
-- name: exim4 is absent
-  ansible.builtin.apt:
-    name:
-      - exim4
-      - exim4-base
-      - exim4-config
-      - exim4-daemon-light
-    purge: yes
-    state: absent
-  tags:
-    - packages
-    - postfix
-  when: evolinux_postfix_purge_exim | bool
-
-- ansible.builtin.meta: flush_handlers
diff --git a/postfix/defaults/main.yml b/postfix/defaults/main.yml
index 8bd15a86..50b0185e 100644
--- a/postfix/defaults/main.yml
+++ b/postfix/defaults/main.yml
@@ -3,3 +3,4 @@ postfix_hostname: "{{ evolinux_fqdn }}"
 postfix_force_main_cf: False
 postfix_packmail: False
 postfix_slow_transport_include: False
+postfix_purge_exim: True
diff --git a/postfix/tasks/common.yml b/postfix/tasks/common.yml
index 6c4d3407..82ea77c3 100644
--- a/postfix/tasks/common.yml
+++ b/postfix/tasks/common.yml
@@ -9,6 +9,19 @@
   tags:
     - postfix
 
+- name: exim4 is absent
+  ansible.builtin.apt:
+    name:
+      - exim4
+      - exim4-base
+      - exim4-config
+      - exim4-daemon-light
+    purge: yes
+    state: absent
+  tags:
+    - postfix
+  when: postfix_purge_exim | bool
+
 - name: check if main.cf is default
   ansible.builtin.shell:
     cmd: 'grep -v -E "^(myhostname|mydestination|mailbox_command)" /etc/postfix/main.cf | md5sum -'