What are the limits for SMS/email alert notifications?
The maximum limit on the SMS or emails per alert is set at 10 alerts per organization per method. The maximum limit of the total number of SMS or email is set at 1000 alerts per organization per the method. These limits are reset every 24 hours since the first notification.
However, these limits are not applicable to toast notifications on the UI. They exhibit the same behavior as the general behavior for any type of toast notifications.