diff --git a/postfix.nix b/postfix.nix
index 81f6eca..1650023 100644
--- a/postfix.nix
+++ b/postfix.nix
@@ -54,6 +54,7 @@ in
     enableSmtp = true;
     enableSubmission = true;
     config = {
+      mydestination = "";
       myhostname = config.variables.myFQDN;
       mynetworks_style = "host";
       recipient_delimiter = "+";