diff --git a/infrastructure/platform/mail/mailu-helm/mailu-ingress.yaml b/infrastructure/platform/mail/mailu-helm/mailu-ingress.yaml
index 0c204225..5ecf32ab 100644
--- a/infrastructure/platform/mail/mailu-helm/mailu-ingress.yaml
+++ b/infrastructure/platform/mail/mailu-helm/mailu-ingress.yaml
@@ -24,6 +24,10 @@ metadata:
     nginx.ingress.kubernetes.io/proxy-send-timeout: "3600"
     nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
     nginx.ingress.kubernetes.io/ssl-redirect: "true"
+    nginx.ingress.kubernetes.io/configuration-snippet: |
+      14       more_set_headers "X-Forwarded-Proto $scheme";
+      15       more_set_headers "X-Forwarded-Port $server_port";
+      16       more_set_headers "X-Original-Forwarded-For $http_x_forwarded_for";
 spec:
   ingressClassName: nginx
   tls: