diff --git a/group_vars/all/vars b/group_vars/all/vars
index f867ced..8fb7c8a 100644
--- a/group_vars/all/vars
+++ b/group_vars/all/vars
@@ -1,8 +1,6 @@
 ---
 admin_email: julien@python.org
 
-exim4_local_interfaces: '127.0.0.1;172.17.0.1'
-exim4_relay_nets: '172.16.0.0/12'
 exim4_sendonly_email_aliases:
   - regexp: '^root'
     line: "root: {{ admin_email }}"
diff --git a/group_vars/discourse/vars b/group_vars/discourse/vars
new file mode 100644
index 0000000..b256dda
--- /dev/null
+++ b/group_vars/discourse/vars
@@ -0,0 +1,4 @@
+---
+
+exim4_local_interfaces: '127.0.0.1;172.17.0.1'
+exim4_relay_nets: '172.16.0.0/12'