diff --git a/machines/akhaten/stalwart.nix b/machines/akhaten/stalwart.nix
index 5ccb678..8fea306 100644
--- a/machines/akhaten/stalwart.nix
+++ b/machines/akhaten/stalwart.nix
@@ -17,6 +17,8 @@ in
         secret = "%{file:/var/lib/stalwart-mail/admin-hash}%";
       };
       lookup.default.hostname = "mail.luj.fr";
+      spam-filter.enable = false;
+      calendar.scheduling.inbound.auto-add = true;
       server = {
         http.hsts = true;
         max-connections = 8192;
diff --git a/private b/private
index 8cea90f..eca798c 160000
--- a/private
+++ b/private
@@ -1 +1 @@
-Subproject commit 8cea90f20289d672f735978caeaa057919050fc0
+Subproject commit eca798c78f6a58c036be912fd41cf67f33bd7142