diff --git a/darwin/systems/sumireko.nix b/darwin/systems/sumireko.nix
index ef2e5bb9..983096e5 100644
--- a/darwin/systems/sumireko.nix
+++ b/darwin/systems/sumireko.nix
@@ -63,6 +63,7 @@
       "mullvadvpn"
       "bitwarden"
       "gimp"
+      "cyberduck"
       ];
       masApps = {
         Tailscale = 1475387142;
diff --git a/home/shell/packages.nix b/home/shell/packages.nix
index 89e59101..877da53f 100644
--- a/home/shell/packages.nix
+++ b/home/shell/packages.nix
@@ -10,7 +10,6 @@
     # show type of files
     file
     # command monitoring
-    progress
     pv
     # cat but better
     bat
diff --git a/nixos/base/locale.nix b/nixos/base/locale.nix
index 85a17263..b9954ffb 100644
--- a/nixos/base/locale.nix
+++ b/nixos/base/locale.nix
@@ -10,6 +10,7 @@
       "en_CA.UTF-8/UTF-8"
       "en_GB.UTF-8/UTF-8"
       "en_US.UTF-8/UTF-8"
+      "en_DK.UTF-8/UTF-8"
     ];
   };
   console = {
diff --git a/overlays/default.nix b/overlays/default.nix
index 73d52ead..e22be67e 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -17,7 +17,7 @@ let
     config = {
       allowUnfree = true;
       allowBroken = true;
-      allowUnsupportedSystem = true;
+      allowUnsupportedSystem = false;
       permittedInsecurePackages = [
         "ffmpeg-3.4.8"
         "ffmpeg-2.8.17"
diff --git a/services/keycloak.nix b/services/keycloak.nix
index 5754f7e3..c446233d 100644
--- a/services/keycloak.nix
+++ b/services/keycloak.nix
@@ -4,7 +4,7 @@ in {
   services.keycloak = {
     enable = builtins.getEnv "CI_PLATFORM" == "impure";
     package = (pkgs.keycloak.override {
-      jre = pkgs.openjdk17;
+      jre = pkgs.openjdk11;
     });
     initialAdminPassword = "mewpymewlymewlies";
     database.passwordFile = config.secrets.files.keycloak-postgres-file.path;
diff --git a/services/mail/postfix.nix b/services/mail/postfix.nix
index 7f5217c6..687f381e 100644
--- a/services/mail/postfix.nix
+++ b/services/mail/postfix.nix
@@ -24,6 +24,8 @@ in {
     field = "password";
   };
 
+  services.redis.enable = true;
+
   secrets.files = {
     domains-ldap = {
       text = ''
diff --git a/services/synapse.nix b/services/synapse.nix
index 13cc9c84..5411bc08 100644
--- a/services/synapse.nix
+++ b/services/synapse.nix
@@ -307,7 +307,7 @@ CONFIG = {
     '';
     root = pkgs.cinny.override {
       conf = {
-        defaultHomeserver = 1;
+        defaultHomeserver = 0;
         homeserverList = [
           "kittywit.ch"
         ];