diff --git a/email-worker/email_processing/bounce_handler.py b/email-worker/email_processing/bounce_handler.py
index 10e274b..625612d 100644
--- a/email-worker/email_processing/bounce_handler.py
+++ b/email-worker/email_processing/bounce_handler.py
@@ -18,7 +18,15 @@ class BounceHandler:
     @staticmethod
     def is_ses_bounce_notification(parsed_email) -> bool:
         """Check if email is from SES MAILER-DAEMON"""
-        from_header = (parsed_email.get('From') or '').lower()
+        try:
+            from_header = (parsed_email.get('From') or '').lower()
+        except (AttributeError, TypeError, KeyError):
+            # Malformed From header - safely extract raw value
+            try:
+                from_header = str(parsed_email.get_all('From', [''])[0]).lower()
+            except:
+                from_header = ''
+        
         return 'mailer-daemon@' in from_header and 'amazonses.com' in from_header
     
     def apply_bounce_logic(
@@ -88,4 +96,4 @@ class BounceHandler:
             return parsed, True
         
         log("⚠ No bounced recipients found in bounce info", 'WARNING', worker_name)
-        return parsed, False
+        return parsed, False
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