diff --git a/src/daemon/dispatcher.py b/src/daemon/dispatcher.py
index 567963c..0fb7fde 100644
--- a/src/daemon/dispatcher.py
+++ b/src/daemon/dispatcher.py
@@ -457,6 +457,7 @@ class Dispatcher:
                     new_session=decision.get("new_session", False),
                     task_id=task.id,
                     on_complete=on_complete,
+                    use_main_session=getattr(task, 'project_id', None) == "_mail",
                 )
                 return {"level": level.value, "agent_id": agent_id,
                         "session_id": session_id, "status": "dispatched",