diff --git a/stalwart/templates/smtp2go-secret.yaml b/stalwart/templates/smtp2go-secret.yaml
new file mode 100644
index 0000000..32b7b7f
--- /dev/null
+++ b/stalwart/templates/smtp2go-secret.yaml
@@ -0,0 +1,24 @@
+apiVersion: external-secrets.io/v1beta1
+kind: ExternalSecret
+metadata:
+  name: {{ include "stalwart.fullname" . }}-smtp2go
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "stalwart.labels" . | nindent 4 }}
+spec:
+  refreshInterval: "15m"
+  secretStoreRef:
+    name: vault-backend
+    kind: ClusterSecretStore
+  target:
+    name: {{ include "stalwart.fullname" . }}-smtp2go
+    creationPolicy: Owner
+  data:
+  - secretKey: user
+    remoteRef:
+      key: kv/smtp2go
+      property: user
+  - secretKey: pw
+    remoteRef:
+      key: kv/smtp2go
+      property: pw