diff --git a/host_vars/mailman.adm.crans.org.yml b/host_vars/mailman.adm.crans.org.yml
new file mode 100644
index 00000000..c6f8791b
--- /dev/null
+++ b/host_vars/mailman.adm.crans.org.yml
@@ -0,0 +1,4 @@
+---
+interfaces:
+  adm: eth0
+  srv: eth1