diff --git a/addons/mail/mail_thread.py b/addons/mail/mail_thread.py
index c0d6ac90fe6..651b064d7aa 100644
--- a/addons/mail/mail_thread.py
+++ b/addons/mail/mail_thread.py
@@ -378,7 +378,7 @@ class mail_thread(osv.AbstractModel):
             else:
                 thread_id = model_pool.message_new(cr, user_id, msg, custom_values, context=context)
             self.message_post(cr, uid, [thread_id], context=context, **msg)
-        return True
+        return thread_id
 
     def message_new(self, cr, uid, msg_dict, custom_values=None, context=None):
         """Called by ``message_process`` when a new message is received
diff --git a/addons/plugin/plugin_handler.py b/addons/plugin/plugin_handler.py
index 8f0fdc1ad8e..dee2cac117d 100644
--- a/addons/plugin/plugin_handler.py
+++ b/addons/plugin/plugin_handler.py
@@ -103,7 +103,7 @@ class plugin_handler(osv.osv_memory):
             if model == 'res.partner':
                 notify = 'User the Partner button to create a new partner'
             else:
-                res_id = model_obj.message_new(cr, uid, msg)
+                res_id = model_obj.message_process(cr, uid, model, email)
                 notify = "Mail successfully pushed, a new %s has been created " % model
         else:
             model_obj.message_post(cr, uid, [res_id],