After you convert from a free trial account to a paid subscription, your account sending limits automatically increase when both of the following are true:
- Your domain has cumulatively paid at least a certain amount.
- At least 60 days have passed since reaching that payment threshold.
To confirm if an account is in trial like limits:
- Go to Google Admin for the domain you are checking.
- Under Dasher > Customer Information you will see Domain reputation, if the customer is in trial like limits, the reputation will say Trial like.