How to Whitelist Training Emails in Microsoft 365 #
Step 1: Log in to your mail server Admin portal. Then, navigate to Admin centers > Exchange
Step 2: Select mail flow and click on the + sign located in the top-left.
Step 3: Select Bypass Spam Filtering… from the drop-down. This will open the new rule screen.
Step 4: Give the rule a name, such as Training Notifications Bypass Clutter and Spam Filtering by Email Header.
Step 5: Select Apply this rule if… and then choose The sender… > domain is from the drop-down. This will open the specify domain screen.
Step 6: Enter the hostnames that you want to whitelist on the specify domain screen and click the + sign. Then, click the OK button.
Step 7: Verify the Do the following… field is set to Set the spam confidence level (SCL) to… and Bypass spam filtering is set on the right.
Step 8: Scroll down the screen to the Match sender address in message option. Here, select Envelope from the drop-down.
Step 9: Click the Save button.