diff --git a/playbooks/templates/chaosknoten/configs/keycloak/compose.yaml.j2 b/playbooks/templates/chaosknoten/configs/keycloak/compose.yaml.j2
index d1c51d4..0993f90 100644
--- a/playbooks/templates/chaosknoten/configs/keycloak/compose.yaml.j2
+++ b/playbooks/templates/chaosknoten/configs/keycloak/compose.yaml.j2
@@ -106,6 +106,7 @@ services:
     environment:
       - "BOTTLE_HOST=0.0.0.0"
       - "IDINVITE_KEYCLOAK_NAME=CCCHH ID"
+      - "MAIL_FROM=no-reply@id.hamburg.ccc.de"
       - "SMTP_HOSTNAME=cow.hamburg.ccc.de"
       - "SMTP_USERNAME=no-reply@id.hamburg.ccc.de"
       - "SMTP_PASSWORD={{ lookup("community.general.passwordstore", "noc/vm-secrets/chaosknoten/keycloak/NO_REPLY_SMTP", create=false, missing="error") }}"
@@ -124,6 +125,7 @@ services:
       - "KEYCLOAK_API_USERNAME=id-invite"
       - "KEYCLOAK_API_PASSWORD={{ lookup("community.general.passwordstore", "noc/vm-secrets/chaosknoten/keycloak/IDINVITE_ADMIN_PASSWORD", create=false, missing="error") }}"
       - "KEYCLOAK_API_REALM=ccchh"
+      - 'KEYCLOAK_GROUPS=["user"]'