diff --git a/machines/akhaten/stalwart.nix b/machines/akhaten/stalwart.nix
index 5ccb678..7d702ad 100644
--- a/machines/akhaten/stalwart.nix
+++ b/machines/akhaten/stalwart.nix
@@ -12,6 +12,12 @@ in
     enable = true;
     package = pkgs.callPackage ../../private/pkgs/stalwart { };
     settings = {
+      metrics.history = {
+        enable = true;
+        store = "rocksdb";
+        retention = "90d";
+        interval = "0 * *";
+      };
       authentication.fallback-admin = {
         user = "admin";
         secret = "%{file:/var/lib/stalwart-mail/admin-hash}%";
diff --git a/machines/biblios/garage.nix b/machines/biblios/garage.nix
index 4742d44..7d7e06c 100644
--- a/machines/biblios/garage.nix
+++ b/machines/biblios/garage.nix
@@ -133,12 +133,6 @@ in
   machine.meta.probes.monitors."cdn.luj.fr - IPv4".accepted_statuscodes = [ "404" ];
   machine.meta.probes.monitors."cdn.luj.fr - IPv6".accepted_statuscodes = [ "404" ];
 
-  machine.meta.probes.monitors."notes.luj.fr - IPv4".accepted_statuscodes = [ "401" ];
-  machine.meta.probes.monitors."notes.luj.fr - IPv6".accepted_statuscodes = [ "401" ];
-
-  machine.meta.probes.monitors."phd.luj.fr - IPv4".accepted_statuscodes = [ "401" ];
-  machine.meta.probes.monitors."phd.luj.fr - IPv6".accepted_statuscodes = [ "401" ];
-
   machine.meta.probes.monitors = {
     "luj.fr - IPv4" = {
       url = "https://${config.machine.meta.ips.public.ipv4}";
diff --git a/private b/private
index 8cea90f..8cb3528 160000
--- a/private
+++ b/private
@@ -1 +1 @@
-Subproject commit 8cea90f20289d672f735978caeaa057919050fc0
+Subproject commit 8cb35282ab0d38c63f757653bab144cfc348c08c