You can edit the mail quota at any time for all e‑mail accounts you have created. To do that, you should click on the Change Quota link next to the e‑mail account you want to edit. Enter the new quota in MB and click on Change to make the new mail quota size active.
Note
Depending on how your web host has the mail server set up, mail that comes in for an account that is over the set quota will either be stored in a temporary queue until enough space is cleared out to allow the message to be delivered (up to 3 days at most before deleting the message) or be deleted immediately without delivering it; so watch mail quotas carefully.
To see how much disk space each account is using (for stored mail), click Show Disk Space Used and the amount of disk space in use and the maximum quota will be displayed next to each e‑mail account. Note that the main e‑mail account will not show this information.
Clicking on Aging will allow you...