This article explains how to manage folders in webmail, including creat, remove and hide.
Login to webmail https://webmail.ddns.com.au
Click the Settings menu in top left and then click on Folders in the top right of the screen. You will now be presented with a list of the folders in your account.
To Create A Folder
In the top right you will see Create / Delete / Empty or click on the folder you wish to make a sub-folder on.
Select Create to make a new folder.
To Delete A Folder
Click on the folder to remove. In the top right you will see Create / Delete / Empty.
Select Delete and the folder and its contents will be gone.
Subscribed & Hidden Folders
Each folder can either be subscribed or unsubscribed in Settings > Folders. If you unsubscribe a folder by unticking / moving the slider, then the folder and its content will be invisible to the webmail client.