Yes, you can receive notifications when metrics in the Postmaster tool change.
To enable Postmaster notifications:
Click on your account menu at the top right.
Select “Alert Settings”.

Move the Activate option to On.
Select the channels the notifications will be sent to. You can add more channels in the “Alerts Channels” menu in your account profile.
Select the metrics, for which the notifications will be sent.
Click “Save”.
