Edit Alertmanager global config

To edit global configuration options for an external Alertmanager, like SMTP server, that is used by default for all email contact types:

1. In the Alerting page, click Contact points to open the page listing existing contact points.
2. From the Alertmanager drop-down, select an external Alertmanager data source.
3. Click the Edit global config option.
4. Add global configuration settings.
5. Click Save global config to save your changes.

Note This option is available only for external Alertmanagers. You can configure some global options for Grafana contact types, like email settings, via Grafana configuration