EXPIRY
You will be notified by email.
After expiry it will not be possible to log into the box number although it will continue to accept messages normally for another 2 weeks.
After 2 weeks the box number is blocked and cannot accept any messages.
The expired box number will remain blocked for another 4 weeks and then it will be deleted.
(If you wait until the box becomes blocked before taking a subscription then you will need to log in to the box number to re-activate it.)

SUBSCRIPTION
A subscription has the advantage that you keep your existing box number.
The annual subscription cost depends on the box number selected.
Standard box numbers are 1000+ and premium box numbers are less than 1000.
Premium box numbers can have unlimited email addresses.
You will be advised via email at the end of the free trial period.
The email will contain details of payment options.
The box number becomes blocked two weeks after expiry date if no payment has been received
You can take a subscription at any time on an existing box number.
The subscription will extend the expiry date by 12 months.
If the box number has already expired the new expiry date is 12 months from the current date.