We want to allow or block specific email address or email domain in our system (Microsoft 365 Exchange) for users before they hit Microsoft 365 spam filtering The Fixġ Login to Microsoft Exchange admin center with Administrator accountĢ Click on mail flow from left hand side menuģ Click on the + button under the rules tabĤ Click on Bypass spam filtering… Microsoft 365 Exchange admin center – mail flow – Add, Create new ruleĥ Fill the necessary information (Refer to the screenshot for better understanding)