diff --git a/lib/hawat/blueprints/users/__init__.py b/lib/hawat/blueprints/users/__init__.py
index 7f4bbc2ebae917ee0c11fd299a9f6ca8710c56c8..8f89769d8154d829b15f48fedb42b700e79e70fb 100644
--- a/lib/hawat/blueprints/users/__init__.py
+++ b/lib/hawat/blueprints/users/__init__.py
@@ -1071,7 +1071,11 @@ class EnableView(HTMLMixin, SQLAlchemyMixin, ItemEnableView):  # pylint: disable
             flask.current_app.mailer.send(msg)
 
     def do_after_action(self, item):
-        self.inform_user(item)
+        try:
+            self.inform_user(item)
+        except ConnectionRefusedError:
+            # Mail service is probably not configured.
+            pass
 
 
 class DisableView(HTMLMixin, SQLAlchemyMixin, ItemDisableView):  # pylint: disable=locally-disabled,too-many-ancestors