diff --git a/scripts/backup b/scripts/backup
index f98a529..dbc9b65 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -63,6 +63,12 @@ ynh_script_progression --message="Backing up cron configuration..." --time --wei
 
 ynh_backup --src_path="/etc/cron.d/$app"
 
+#=================================================
+# BACKUP postfix conf
+#=================================================
+ynh_script_progression --message="Backing up postfix conf configuration..." --time --weight=1
+
+ynh_backup "/usr/share/yunohost/hooks/conf_regen/98-postfix_emailpoubelle"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/restore b/scripts/restore
index 275a3d6..3e2757c 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -91,7 +91,9 @@ locale-gen
 #=================================================
 # RESTORE POSTFIX ALIASES
 #=================================================
-cp -R ../sources/hooks/conf_regen/98-postfix_emailpoubelle /usr/share/yunohost/hooks/conf_regen/
+ynh_script_progression --message="Restore Postfix aliases..." --time --weight=1
+
+ynh_restore_file "/usr/share/yunohost/hooks/conf_regen/98-postfix_mailman"
 yunohost service regen-conf postfix
 
 #create an alias for deleted junk adresses