You may check this article that we created on how to manage your email addresses:
Or follow the steps below:
A Slave email is a separate account that has it's own inbox. Aside from your main TPG account, 19 more email accounts can be created.
1. Log on to your TPG account by entering your TPG username and password in the "Your TPG Account" section on the home page: https://cyberstore.tpg.com.au/your_account
2. Click on the 'Manage your email accounts' link. This is located under the section headed "Email Management."
3. Click on the link "Add Slave User," enter the desired email address and password. Please make sure to keep it within the required parameters.
4. Click "Create Account" to submit the request.
Let us know should you require further assistance.