diff --git a/machines/thinkman/hardware-configuration.nix b/machines/thinkman/hardware-configuration.nix
index adcdb35..63cf3c2 100644
--- a/machines/thinkman/hardware-configuration.nix
+++ b/machines/thinkman/hardware-configuration.nix
@@ -14,7 +14,6 @@ in
     debug.enable = true;
     drive-monitor = {
       enable = true;
-      OnFailureMail = "server@buehler.rocks";
     };
     firmware = {
       enable = true;
diff --git a/modules/hardware/drive-monitor/default.nix b/modules/hardware/drive-monitor/default.nix
index 74f0717..8d2d0df 100644
--- a/modules/hardware/drive-monitor/default.nix
+++ b/modules/hardware/drive-monitor/default.nix
@@ -16,7 +16,7 @@ in
 
   config = lib.mkIf cfg.enable {
     services = {
-      postfix.enable = lib.mkIf (cfg.OnFailureMail != null) true;
+      postfix.enable = cfg.OnFailureMail != null;
       smartd = {
         enable = true;
         notifications.mail = lib.mkIf (cfg.OnFailureMail != null) {