diff --git a/asciinema/compose.yaml b/asciinema/compose.yaml
index 6b5a220..4ebda61 100644
--- a/asciinema/compose.yaml
+++ b/asciinema/compose.yaml
@@ -5,6 +5,8 @@ services:
     restart: unless-stopped
     networks:
       - compose_network
+    extra_hosts:
+      - "smtp.ionos.de:213.165.67.97"
     volumes:
       - asciinema_data:/var/opt/asciinema
       - ./theme/custom.css:/app/assets/css/custom.css:ro