If you wish to add an additional mailbox within your Webmail application, please see the below guide
1: In OX Webmail , click on the Hamburger Menu in the top left hand corner of the screen.
2: Following the drop downs, press Settings .
3: Ensure Accounts is selected and on the right hand pane select Add email account . Please note you will see your current mailbox in this section already.
4: Enter the Mailbox you wish to adds email address and password. Then Press Add
5: As you can see, your new Mailbox has been added under the list of accounts .
6: You can now see your new mailbox and its folders on the left hand pane in your webmail.
6. Congratulations! You have now added a second Mailbox to your webmail!