diff --git a/hosts/rx4/services/vaultwarden.nix b/hosts/rx4/services/vaultwarden.nix
index 6f00505..7d32011 100644
--- a/hosts/rx4/services/vaultwarden.nix
+++ b/hosts/rx4/services/vaultwarden.nix
@@ -25,12 +25,12 @@ in
 
       SMTP_FROM = "vaultwarden@${domain}";
       SMTP_FROM_NAME = "${domain} Vaultwarden server";
-      SMTP_HOST = constants.hosts.sid.ip;
+      SMTP_HOST = "mail@${domain}";
       SMTP_PORT = 587;
       SMTP_SECURITY = "starttls";
       SMTP_USERNAME = "vaultwarden@${domain}";
 
-      ROCKET_ADDRESS = "0.0.0.0";
+      ROCKET_ADDRESS = "127.0.0.1";
       ROCKET_PORT = port;
       ROCKET_LOG = "critical";
     };