diff --git a/modules/system/services/server/mailserver/simplenix/default.nix b/modules/system/services/server/mailserver/simplenix/default.nix
index 4e2c14a..6de33b5 100644
--- a/modules/system/services/server/mailserver/simplenix/default.nix
+++ b/modules/system/services/server/mailserver/simplenix/default.nix
@@ -7,7 +7,6 @@
 
   mailserver = rec {
     enable = true;
-    openFirewall = false;
     domains = [ "${config.secrets.jimDomain}" ];
     fqdn = "mx.${config.secrets.jimDomain}";
     certificateScheme = "acme-nginx";