diff --git a/roles/postfix/tasks/main.yml b/roles/postfix/tasks/main.yml
index baf09330..aa39d54b 100644
--- a/roles/postfix/tasks/main.yml
+++ b/roles/postfix/tasks/main.yml
@@ -24,5 +24,5 @@
     - sender_login_maps
     - postscreen_access.cidr
     - sasl/smtpd.conf
-#   - canonical
+    - canonical
 #   - virtual
diff --git a/roles/postfix/templates/postfix/canonical.j2 b/roles/postfix/templates/postfix/canonical.j2
new file mode 100644
index 00000000..c0cfd082
--- /dev/null
+++ b/roles/postfix/templates/postfix/canonical.j2
@@ -0,0 +1,6 @@
+# {{ ansible_managed }}
+# Fichier fournissant des méthodes pour traduire certaines adresses
+
+/^(.*)@localhost(\.crans\.org)?$/   ${1}@crans.org
+/^(.*)@{{ ansible_hostname }}.adm.crans.org$/   ${1}@crans.org
+/^(.*)@{{ ansible_hostname }}.crans.org$/       ${1}@crans.org