Follow the steps below to enable anti-spoofing for one or more domains that have been added to SpamTitan. Check the breadcrumb to ensure you are at the domain level:

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  1. From the domain level, go to the side-bar menu and select Filtering > Anti-Spoof. The Domain Anti-Spoofing tab opens by default.

  2. To enable domain anti-spoofing, move the Domain Anti-Spoofing slider to ON (default: OFF).

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    Use the Search field to find IPs/Hostnames in the table. Select the column column-icon.jpg icon to hide or view columns.

    To delete an IP/Hostname, select the checkbox and then select Delete.

  3. In addition to specifying an IP in the IP & Hostnames table, you can use your SPF record to determine if a sender is valid. To do this, move the Use SPF Record for IP Validation slider to ON (default: OFF).