diff --git a/dicos/26_mail.xml b/dicos/26_mail.xml
index 6706dfd..9a6fd5f 100644
--- a/dicos/26_mail.xml
+++ b/dicos/26_mail.xml
@@ -169,6 +169,10 @@
             <target type='variable' optional='True'>activer_sympa</target>
             <target type='variable' optional='True'>activer_courier</target>
             <target type='variable' optional='True'>activer_spamassassin</target>
+        </condition>
+
+        <condition name='disabled_if_in' source='exim_ldap_delivery'>
+            <param>non</param>
             <target type='variable'>exim_quota</target>
             <target type='variable'>exim_quota_warn</target>
         </condition>