diff --git a/systems/x86_64-linux/mx/mailserver.nix b/systems/x86_64-linux/mx/mailserver.nix
index 83a7817..17bb708 100644
--- a/systems/x86_64-linux/mx/mailserver.nix
+++ b/systems/x86_64-linux/mx/mailserver.nix
@@ -8,7 +8,7 @@
   # email addresses git smudged
   mailserver = {
     enable = true;
-    stateVersion = 1;
+    stateVersion = 3;
     fqdn = "mx.surfsite.org";
     sendingFqdn = "mx.surfsite.org";
     certificateScheme = "acme";