diff --git a/Python/etc/postfix/main.cf b/Python/etc/postfix/main.cf
index 0c9b30b..644a883 100644
--- a/Python/etc/postfix/main.cf
+++ b/Python/etc/postfix/main.cf
@@ -69,7 +69,7 @@ if not mx:
         inet_interfaces = "loopback-only"
     else:
         @# Ecoute en local et sur adm (récupération des mails @tracker.adm.crans.org
-        inet_interfaces = ["127.0.0.1/8", "%s/32" % admip()]
+        inet_interfaces = ["127.0.0.1", admip()]
 
 if mx:
     @# Destinations acceptees