If your email disk quota has been reached and you want to increase or modify it, you can do so in DirectAdmin.
1. Log in to your DirectAdmin Account.
2. In the E-mail Manager section, click on E-mail Accounts. Alternatively, type E-mail Accounts in the search bar, and the option will appear. Click on it.
3. In the Email Accounts list, you will see the email address with a three-dot icon on the right side.
4. Click on the three-dot icon and choose Change Limits.
5. Modify the E-mail Quota field as per your requirement. If you have the unlimited option available, choose it instead.
6. Click on Save.
Your email quota limit will be modified.