diff --git a/worker.py b/worker.py
index 1aede4b..b20a62b 100755
--- a/worker.py
+++ b/worker.py
@@ -9,6 +9,7 @@ import signal
 from email.parser import BytesParser
 from email.policy import SMTP as SMTPPolicy
 from datetime import datetime
+from botocore.exceptions import ClientError  # Neu: Korrekter Import für SES-Exceptions
 
 # AWS Configuration
 AWS_REGION = 'us-east-2'
@@ -566,13 +567,16 @@ def process_message(message_body: dict, receive_count: int) -> bool:
                             )
                             log(f"✓ Forwarded to {forward_to} from {recipient} (original: {original_from})")
                 
-                except boto3.exceptions.ClientError as e:
-                    if 'MessageRejected' in str(e):
-                        log(f"⚠ SES rejected: {e}. Check verification.", 'ERROR')
+                except ClientError as e:  # Fix: Korrekter Exception-Typ
+                    error_code = e.response['Error']['Code']
+                    if error_code == 'MessageRejected':
+                        log(f"⚠ SES rejected send for {recipient}: {e}. Check verification or quotas.", 'ERROR')
+                    elif error_code == 'AccessDenied':
+                        log(f"⚠ SES AccessDenied for {recipient}: {e}. Check IAM policy.", 'ERROR')
                     else:
-                        log(f"⚠ Rules error for {recipient}: {e}", 'WARNING')
+                        log(f"⚠ SES error for {recipient}: {e}", 'ERROR')
                 except Exception as e:
-                    log(f"⚠ General error: {e}", 'WARNING')
+                    log(f"⚠ General error for {recipient}: {e}", 'WARNING')
 
         # 6. SMTP VERSAND (Loop über Recipients)
         log(f"📤 Sending to {len(recipients)} recipient(s)...")