api_key: '' working_domain: _sender debug_mode: false test_mode: false tracking_opens: '' tracking_clicks: '' tracking_exception: 'user:password_reset' format_filter: plain_text use_queue: false use_theme: false tagging_mailkey: true _core: default_config_hash: bMOl3jD7ZuzZMuaUYzyqadr56G486ldo28NYIkK_54g