diff --git a/email_api/email_api/app.py b/email_api/email_api/app.py
index 63ba66e..ce007ce 100644
--- a/email_api/email_api/app.py
+++ b/email_api/email_api/app.py
@@ -15,7 +15,8 @@ logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
 # Konfiguration
-SMTP_HOST = "mailcowdockerized-postfix-mailcow-1"  # MailCow Postfix-Container
+# SMTP_HOST = "mailcowdockerized-postfix-mailcow-1"  # MailCow Postfix-Container
+SMTP_HOST = "postfix-mailcow" # MailCow Postfix-Container
 SMTP_PORT = 25  # Fest auf Port 25 ohne TLS
 API_TOKEN = os.environ.get('API_TOKEN', 'your-api-token')  # Muss mit Lambda übereinstimmen
 logger.info(f"API_TOKEN: {API_TOKEN}")