The Spam Email Filter must be turned on in Outlook Web Access.
- Log in to Outlook Web Access: https://mail.exchangecloud.com.au
- Go to 'Options'
- Click 'See All Options'
- Click on 'Block or Allow'
- Click on 'Automatically Filter Junk Email'
- Click 'Save' at the bottom of the page
Doing this will move those messages to your Spam Email folder automatically.