Adding Users to the Trusted Senders List

This guide will show you how to add Trusted Senders:
After logging in, go to Settings. then go to Spam Filtering.
Scrolling down you will see the Trusted Senders box:
From here you can click the edit button next to either 'Trusted Domains' or 'Trusted Email Addresses'
You can then add either domains and/or specific email addresses you would like to not be blocked.