Customers using Sender Policy Framework (SPF)
We recommend that customers using the Email Defense Service for inbound mail filtering disable any SPF check and/or rejection, based on SPF failures. This will prevent delivery difficulties when a recipient sees the message as being sent by MX Logic®, as opposed to the actual sender. Customers who subscribe to MX Logic Outbound Message Filtering should include the following segment in their SFP record to ensure that recipients understand that mail is being sent by MX Logic on behalf of your organization:
For more information on Sender Policy Framework, see:
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