diff --git a/flake.lock b/flake.lock
index 3968408..3ceae14 100644
--- a/flake.lock
+++ b/flake.lock
@@ -173,11 +173,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767556355,
-        "narHash": "sha256-RDTUBDQBi9D4eD9iJQWtUDN/13MDLX+KmE+TwwNUp2s=",
+        "lastModified": 1767702900,
+        "narHash": "sha256-xMzHmNytl7JgFRov2jHf2GYsLVp/sAfYO0JvbZt0uDo=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "f894bc4ffde179d178d8deb374fcf9855d1a82b7",
+        "rev": "38e187fd2f9efac197e03be0c25f3ee215974144",
         "type": "github"
       },
       "original": {
@@ -410,11 +410,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1767502237,
-        "narHash": "sha256-rRrn9I4H692troUl5pBtE3Y5mG2msSMU/2ro7+ZQrFM=",
+        "lastModified": 1767568852,
+        "narHash": "sha256-6s8hL3YX9zAq2T7qvcwwzaEVwc9MEYbW+C2LcAAQfbk=",
         "owner": "0xc000022070",
         "repo": "zen-browser-flake",
-        "rev": "e3efa5e2b53982f985044062c98426ec75d6695b",
+        "rev": "350c729b261e6f5529460140a5f0943dd4c5e156",
         "type": "github"
       },
       "original": {
diff --git a/hosts/zora/networking.nix b/hosts/zora/networking.nix
index 0bfcbe9..c63249b 100644
--- a/hosts/zora/networking.nix
+++ b/hosts/zora/networking.nix
@@ -50,4 +50,22 @@
       };
     };
   };
+
+  # Imposing a bandwidth limit to avoid Aurore/Crans disruptions
+  networking.nftables = {
+    tables.rate_limit = {
+      name = "rate_limit";
+      family = "inet";
+      enable = true;
+      content = ''
+        limit lim  { rate over 20 mbytes/second burst 40 mbytes ; comment "use to limit taffic" ; }
+
+        chain IN {
+          type filter hook input priority filter; policy drop;
+          tcp dport 80 limit name "lim" accept
+          tcp dport 443 limit name "lim" accept
+        }
+      '';
+    };
+  };
 }
diff --git a/modules/server/default.nix b/modules/server/default.nix
index e9429ac..bb7e349 100644
--- a/modules/server/default.nix
+++ b/modules/server/default.nix
@@ -22,6 +22,8 @@
     '';
   };
 
+  networking.nftables.enable = true;
+
   environment.systemPackages = with pkgs; [
     mdadm
   ];
diff --git a/modules/server/maistro/default.nix b/modules/server/maistro/default.nix
index a3a70a7..b1aef17 100644
--- a/modules/server/maistro/default.nix
+++ b/modules/server/maistro/default.nix
@@ -3,7 +3,8 @@
 {
   virtualisation.incus.enable = true;
   virtualisation.incus.ui.enable = true;
-  networking.nftables.enable = true;
+  # Enabled on server as a whole
+  # networking.nftables.enable = true;
   networking.firewall.trustedInterfaces = [ "incusbr0" ];
   virtualisation.incus.preseed = {
     networks = [
diff --git a/modules/server/taf/default.nix b/modules/server/taf/default.nix
index 1e98e92..5c968b8 100644
--- a/modules/server/taf/default.nix
+++ b/modules/server/taf/default.nix
@@ -79,18 +79,12 @@
               # Crans Nounou
               elsif anyof (
                   header :contains "List-Id" "<nounou.lists.crans.org>",
-                  header :contains "List-Id" "<apprenti-es.lists.crans.org>"
+                  header :contains "List-Id" "<apprenti-es.lists.crans.org>",
+                  address :is :all "To" "contact@crans.org",
+                  address :is :all "From" "contact@crans.org"
                 ) {
                 fileinto :create "Crans.crans.nounou";
               }
-              # Crans Root
-              elsif anyof (
-                  address :is :all "To" "root@crans.org",
-                  address :is :all "From" "root@crans.org",
-                  address :is :all "From" "www-data@crans.org"
-                ) {
-                fileinto :create "Crans.crans.root";
-              }
               # Crans Root Postmaster
               elsif address :is :all "To" "postmaster@crans.org" {
                 addflag "\\Seen";
@@ -100,6 +94,14 @@
               elsif address :is :all "From" "MAILER-DAEMON@crans.org" {
                 fileinto :create "Crans.crans.root.mailer";
               }
+              # Crans Root
+              elsif anyof (
+                  address :is :all "To" "root@crans.org",
+                  address :is :all "From" "root@crans.org",
+                  address :is :all "From" "www-data@crans.org"
+                ) {
+                fileinto :create "Crans.crans.root";
+              }
               # Crans Gitlab
               elsif address :is :all "From" "gitlab@crans.org" {
                 fileinto :create "Crans.crans.gitlab";
@@ -179,7 +181,7 @@
     #   "@lyes.eu" = "lyes@mail.lyes.eu";
     # };
 
-    # certificateScheme = "acme-nginx";
+    x509.useACMEHost = config.mailserver.fqdn;
   };
 
   # services.dovecot2.extraConfig = ''