Since you're not using a spam filter, you'll only need to whitelist your mail server. For more information, click your mail server below.

When you're finished, click Complete Wizard.

To whitelist for Microsoft Exchange, we recommend that you whitelist by IP address. For more information, see our Whitelisting by IP Address in Exchange 2016 article.

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To whitelist for Microsoft 365, we suggest you use Microsoft's recommended Advanced Delivery Policies (ADP) feature. For more information, see our How to Use Advanced Delivery Policies in Microsoft Defender for Office 365 article.

Other

At this time, we don't have whitelisting documentation for other mail servers. For general whitelisting information and recommendations, see our Whitelisting Data and Anti-Spam Filtering Information article.

For additional help, contact our support team .

Note: Due to upcoming changes from Google, we recommend using Direct Message Injection (DMI) as your default whitelisting configuration. For more information about these changes, see Google's Gmail updates .

To whitelist for Google Workspace, we recommend using one of the methods listed below:

Complete Wizard