diff --git a/roles/base/files/postfix/main.cf/main.cf b/roles/base/files/postfix/main.cf/main.cf
index c8f2706da3..dca6dac30c 100644
--- a/roles/base/files/postfix/main.cf/main.cf
+++ b/roles/base/files/postfix/main.cf/main.cf
@@ -685,3 +685,7 @@ readme_directory = /usr/share/doc/postfix-2.4.5/README_FILES
 
 message_size_limit = 20971520
 #inet_protocols = ipv4
+
+# This has to be set in newer postfix 3.3.0 or later or it will refuse to 
+# send any email. ;( 
+smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination