diff --git a/rootfs/etc/confd/templates/main.cf.tmpl b/rootfs/etc/confd/templates/main.cf.tmpl
index deb7b03..85e9ff5 100644
--- a/rootfs/etc/confd/templates/main.cf.tmpl
+++ b/rootfs/etc/confd/templates/main.cf.tmpl
@@ -1,5 +1,7 @@
 compatibility_level = 3.7
 
+inet_protocols = all 
+
 mail_owner = postfix
 myhostname = {{getenv "MYHOSTNAME"}}
 mydomain = {{getenv "MYDOMAIN"}}