You can change how the rule alert messages look, whether to use an HTML template for alerts by default, adjust the alert box size, location, alert log frequency, etc. from the Settings screen:
Click the Gear
icon near the top-right corner of the dashboard.Select Settings.
Select the Alerts tab and change the settings you need.
To learn more about Alert settings, check out the Settings > Alerts section on the Teramind User Guide.
To learn how to customize the alert messages and the HTML template, check out this article.