diff --git a/ses-lambda-new-python/lambda_function.py b/ses-lambda-new-python/lambda_function.py
index ebec032..738dca5 100644
--- a/ses-lambda-new-python/lambda_function.py
+++ b/ses-lambda-new-python/lambda_function.py
@@ -1,4 +1,3 @@
-# lambda_andreasknuth.py
 import os
 import boto3
 import smtplib
@@ -140,11 +139,10 @@ def lambda_handler(event, context):
     delivered = []
     refused = {}
     if recipients:
-        # Prepare message string for sendmail (decode bytes safely)
-        try:
-            raw_message = raw_bytes.decode('utf-8')
-        except Exception:
-            raw_message = raw_bytes.decode('utf-8', errors='replace')
+        # WICHTIG: Verwenden Sie die rohen Bytes direkt, NICHT dekodieren!
+        # smtplib.sendmail() akzeptiert sowohl bytes als auch strings
+        # Bei bytes wird keine weitere Kodierung vorgenommen
+        raw_message = raw_bytes
 
         # Determine a sensible local hostname (HELO). Prefer explicit ENV, else use domain of bucket (recipient domain).
         env_local = os.environ.get('SMTP_LOCAL_HOSTNAME')
@@ -171,6 +169,7 @@ def lambda_handler(event, context):
                         print("SMTP login failed (continuing):", e)
 
                 try:
+                    # Sende die rohen Bytes direkt
                     send_result = smtp.sendmail(frm_addr, recipients, raw_message)
                     # sendmail returns dict of refused recipients
                     if isinstance(send_result, dict):
@@ -189,10 +188,12 @@ def lambda_handler(event, context):
                     delivered = [r for r in recipients if r not in refused]
                 except Exception as e:
                     print("SMTP sendmail error:", e)
+                    traceback.print_exc()  # Mehr Details für Debugging
                     refused = {r: ('error', str(e)) for r in recipients}
                     delivered = []
         except Exception as e:
             print("Error connecting to SMTP host:", e)
+            traceback.print_exc()  # Mehr Details für Debugging
             refused = {r: ('connect-error', str(e)) for r in recipients}
             delivered = []
         print(f"SMTP completed in {time.time()-start:.2f}s delivered={delivered} refused={refused}")
@@ -211,4 +212,4 @@ def lambda_handler(event, context):
     return {
         'statusCode': 200,
         'body': f"processed={bool(delivered)}, delivered={delivered}, refused_count={len(refused)}"
-    }
+    }
\ No newline at end of file