diff --git a/Metadata/groups.xml b/Metadata/groups.xml
index 7d24d9b..51a3e48 100644
--- a/Metadata/groups.xml
+++ b/Metadata/groups.xml
@@ -148,12 +148,6 @@
     <Group name="nginx" comment="Pour tomcat"/>
   </Group>
 
-  <Group name="schrodingred"
-     profile="true">
-    <Group name="crans-domu-wheezy"/>
-    <Group name="mail-mx-main"/>
-  </Group>
-
   <Group name="vert"
      profile="true">
     <Group name="db-main"/>
diff --git a/Python/etc/postfix/main.cf b/Python/etc/postfix/main.cf
index e41286a..6124cb5 100644
--- a/Python/etc/postfix/main.cf
+++ b/Python/etc/postfix/main.cf
@@ -288,7 +288,7 @@ if not secondary:
 if has("titanic"):
     @relayhost=[ovh.adm.crans.org]:25
 
-if mx:
+if main or secondary:
     @# PostScreen configuration
     @# Access List
     @postscreen_access_list = cidr:/etc/postfix/postscreen_access.cidr
diff --git a/Python/etc/postfix/master.cf b/Python/etc/postfix/master.cf
index 21be67a..6031226 100644
--- a/Python/etc/postfix/master.cf
+++ b/Python/etc/postfix/master.cf
@@ -95,8 +95,11 @@ if has("titanic"):
 @# service type	private	unpriv	chroot	wakeup	maxproc	command + args
 @# 		(yes)	(yes)	(yes)	(never)	(50)
 @# ==========================================================================
-@smtp      inet  n       -       -       -       1       postscreen
-@smtpd     pass  -       -       -       -       -       smtpd
+if main or secondary:
+    @smtp      inet  n       -       -       -       1       postscreen
+    @smtpd     pass  -       -       -       -       -       smtpd
+else:
+    @smtp      inet  n       -       -       -       -       smtpd
 if tracker:
     @  -o receive_override_options=no_address_mappings
 @dnsblog   unix  -       -       -       -       0       dnsblog