diff --git a/hosts/hades/default.nix b/hosts/hades/default.nix
index 5f5355b..111d188 100644
--- a/hosts/hades/default.nix
+++ b/hosts/hades/default.nix
@@ -24,6 +24,13 @@ in {
     devices = ["/dev/sda" "/dev/sdb"];
   };
 
+  # TODO: I've setup the address to avoid a spurious failure of the `mdmonitor`
+  # systemd unit, but sending email is not actually setup on this server. Might
+  # need to setup Postfix or msmtp
+  boot.swraid.mdadmConf = ''
+    MAILADDR=antoine@alarsyo.net
+  '';
+
   boot.tmp.useTmpfs = true;
 
   networking.hostName = "hades"; # Define your hostname.