You can add more server space from the Rediffmail Pro control panel.

To add more server space, follow the below steps:

1. Login to your Rediffmail Pro control panel.
2. Enter your Email ID and password. Click Submit.
3. The page after logging in shows the list of all the products that you have purchased.
4. Locate the hosting account for which you want to add more space.
5. Click on the link add server space under the hosting account.
6. Click Buy Now and place your order.