SPF Result - None

How to get here

The SPF - None page allows you to choose an action when the SPF filter is enabled and the result is "None."  This action activates when the queried domain does not publish SPF data.

The action to be taken when the query result is None

Action. Select one of the following actions:

Tip: We recommend that you select the Insert X-Header option instead of Delete Message until you know that the options are setup to best suit your filtering requirements.

Prefix subject with. If you want to add a custom prefix subject to messages that are identified as forged, select the Prefix subject with check box (cleared by default). The default subject prefix is entered in the text box to the right and is based on the SPF query result. You can also enter a custom message in this box.