This is the subject header of the email we send to customers who is about to reach their quota or monthly allowance. We would like to make sure that all our customers are aware of their usage and be able to act accordingly.

Below is a sample email reminder:

Please note that the average number of shipments per day on that warning email is calculated using the past 1-4 days usage, not 30 day. This is to ensure that the average figure is closer to what you are shipping right now, rather than over an entire month.