diff --git a/flake.nix b/flake.nix
index 519890f..c1de1e6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,7 @@
     zen-browser.url = "github:0xc000022070/zen-browser-flake";
     mms.url = "github:mkaito/nixos-modded-minecraft-servers";
     agenix.url = "github:ryantm/agenix";
-    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-25.05";
+    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-25.11";
 
     home-manager = {
       url = "github:nix-community/home-manager";
diff --git a/hosts/hitsugibune/configuration.nix b/hosts/hitsugibune/configuration.nix
index df58b41..7b86268 100644
--- a/hosts/hitsugibune/configuration.nix
+++ b/hosts/hitsugibune/configuration.nix
@@ -34,7 +34,7 @@ in {
     ./nextcloud.nix
     ./teamspeak.nix
     ./matrix.nix
-    #./mail.nix
+    ./mail.nix
     #./llm.nix
     #./nvidia.nix
     inputs.mms.module