You can check your Email Storage Space statistics online by pointing your web browser to https://www.ptd.net/ and clicking on the "Account Management" link which is located on the right side of the page.

Enter the beginning part of your PenTeleData email address for your username (everything before the @ptd.net) and the corresponding password to login to the PenTeleData Account Management page.

After you have logged in, click on "E-Mail Usage" to view a report of your disk space usage.