Forward-Rule mit smtp_override → Mail geht nur zum alten Provider, keine DMS-Delivery

Forward-Rule ohne smtp_override → normaler Forward + DMS-Delivery (bestehendes Verhalten)
Keine Rule → nur DMS-Delivery (bestehendes Verhalten)

email-worker/email_processing/rules_processor.py

@@ -44,7 +44,7 @@ class RulesProcessor:
         rule = self.dynamodb.get_email_rules(recipient)
         
         if not rule:
-            return
+            return False  # NEU: Return-Wert
         
         original_from = parsed.get('From', '')
         sender_name, sender_addr = parseaddr(original_from)
@@ -69,17 +69,16 @@ class RulesProcessor:
         # Forward handling
         # ============================================
         forwards = rule.get('forwards', [])
+        has_legacy_forward = False  # NEU
+
         if forwards:
+            if rule.get('forward_smtp_override'):
+                has_legacy_forward = True  # NEU
             self._handle_forwards(
-                recipient,
-                parsed,
-                original_from,
-                forwards,
-                domain,
-                worker_name,
-                metrics_callback,
-                rule=rule
+                recipient, parsed, original_from, forwards,
+                domain, worker_name, metrics_callback, rule=rule
             )
+        return has_legacy_forward  # NEU: statt kein Return
     
     def _handle_ooo(
         self,