diff --git a/argocd/apps/nextcloud/nextcloud.yaml b/argocd/apps/nextcloud/nextcloud.yaml
index 328080e..ca3ffa1 100644
--- a/argocd/apps/nextcloud/nextcloud.yaml
+++ b/argocd/apps/nextcloud/nextcloud.yaml
@@ -30,6 +30,14 @@ spec:
           forceString: true
         - name: ingress.annotations.cert-manager\.io\/cluster-issuer
           value: lets-encrypt-staging
+        - name: nextcloud.mail.enabled
+          value: 'true'
+        - name: nextcloud.mail.fromAddress
+          value: 'inno-netz@zpd.polizei.niedersachsen.de'
+        - name: nextcloud.mail.smtp.host
+          value: 'smtp.innovation-hub-niedersachsen.de'
+        - name: nextcloud.mail.smtp.port
+          value: '25'
     chart: nextcloud
   destination:
     server: 'https://kubernetes.default.svc'