diff --git a/network.yml b/network.yml
index dd53051f20ba49f23a0cfaea09793d9fc414c1da..de78097f4750152d8ec96d65949c22ee1b2acd63 100644
--- a/network.yml
+++ b/network.yml
@@ -80,3 +80,15 @@
       titanic: true
   roles:
     - postfix
+
+- hosts: sputnik.adm.crans.org
+  vars:
+    postfix:
+      primary: false
+      secondary: true
+      public: true
+      dkim: true
+      mailman: false
+      titanic: false
+  roles:
+    - postfix
diff --git a/re2o.yml b/re2o.yml
index 59becf9ca0f094e86b218cfc1589e1c63bb2fc9b..219375f0dc4fa55d9b2566b6afe03f6a51afe382 100644
--- a/re2o.yml
+++ b/re2o.yml
@@ -78,6 +78,6 @@
     - re2o-firewall-routeur
 
 # Deploy re2o mail-server on MTA and MDA
-- hosts: titanic.adm.crans.org
+- hosts: titanic.adm.crans.org,sputnik.adm.crans.org
   roles:
     - re2o-mail-server