diff --git a/roles/shell/files/etc/postfix/main.cf b/roles/shell/files/etc/postfix/main.cf
index 0c5744a..8430109 100644
--- a/roles/shell/files/etc/postfix/main.cf
+++ b/roles/shell/files/etc/postfix/main.cf
@@ -38,8 +38,8 @@ mynetworks = 127.0.0.0/8
 mailbox_size_limit = 0
 recipient_delimiter = +
 inet_interfaces = all
-#inet_protocols = all
-inet_protocols = ipv4
+inet_protocols = all
+#inet_protocols = ipv4
 
 home_mailbox = Maildir/