How to: Enable Blocked Top-Level Domain List in Microsoft Outlook for Windows


In the Home tab, click Junk > Junk Email Options. Click the International tab > Blocked Top-Level Domain List. Choose the international domains you want blocked, and then click OK.


1) Click the Home tab.

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2) Click Junk, and then click Junk Email Options.

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3) Click the International tab, and then click Blocked Top-Level Domain List.

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4) Choose the international domains you want blocked. Click OK, and then click OK again to return to Outlook.

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Outlook will now be configured to only allow messages sent from an email address ending with a specific top-level domain that you have approved.