diff --git a/host_vars/emma.ccchb.de b/host_vars/emma.ccchb.de
index a8d02ca..2756c84 100644
--- a/host_vars/emma.ccchb.de
+++ b/host_vars/emma.ccchb.de
@@ -1,10 +1,11 @@
 ---
 dovecot_listen: '[2a01:4f8:150:926f::2], 176.9.59.104'
 
-postfix_inet_interfaces: '[2a01:4f8:150:926f::2], 176.9.59.104'
+postfix_inet_interfaces: '[2a01:4f8:150:926f::2], 176.9.59.104, 127.0.0.1'
 postfix_my_networks:
   - '2a01:4f8:150:926f::2'
   - '176.9.59.104'
+  - '127.0.0.1'
 
 haproxy_v4: 176.9.59.104
 haproxy_v6: 2a01:4f8:150:926f::2