SpamLogic automatically excludes sub-domains from anti-spoof checking.
| Changing these settings without good reason can adversely affect spam detection rates. You should normally only perform these actions on the advice of your normal support provider. | 
Enable or disable anti-spoof checking on sub-domains
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                    Navigate to Policy > Manage Policy Definition > SpamLogic Settings. The SpamLogic Settings page is displayed. 
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                    Select the Parameters tab. 
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                    In the Spoof Detection panel, click Click here to change these settings. 
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                    Select the Enable SpamLogic to include sub-domains in anti-spoof checking check box to enable the setting. Clear the check box to disable. 
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                    Click Save. 
| If you change any configuration or policy settings, you must Apply Configuration for the new settings to take effect. You can do this either from the Changes Made panel, or System > Configuration > Apply Configuration. See Apply new configuration for more information. If you use  |