- Logon to your Office 365 Security and Compliance portal.
- Click on the Threat Management  dropdown, then Policy  and finally click the Anti-Phishing  link under Policies (as below).
- Click on the Office 365 AntiPhish Default (Default) Rule
- On the following screen, click on Edit Protection Settings as below:
- Click on Manage 0 trusted sender(s) and domain(s)
Note: There may be previously added senders or domains for your organisation, which would mean that the above link would not show a zero (0) value.
Here you can add trusted / known email addresses and domains.
This will allow you to override the anti-phishing policy for added domains only.
- On the screen that follows the Sender tab will initially be highlighted. Ignore that and click on the Domain tab as below:
- Click the plus icon and we will then add each of the following domains listed below:
- When you click the plus icon, you will see the following screen. Enter the name of each domain one by one , and as you enter the domains they should appear as a clickable item  once they’re valid.
Click on the domain name(s)  to then add as below:
- Do not hit the Add Domains button until all the domains are added:
- When all 21 domains have been added, click on the Add domains button.
You will see a list of domains as below:
- Please ensure that you’ve added all the domains correctly. Click the Done button.
- You will then see that you’ve added the 21 domains, as below:
- Finally, click Save.
Office 365 Advanced Threat Protection, Anti-Phishing Policy (Add CRA Domains) Print
Modified on: Wed, 2 Jun, 2021 at 8:13 PM
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