To enable SPF:
- Go to Inbound Protection > Domain-based Authentication > Sender Policy Framework (SPF).
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- Click Add.
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- Select a specific recipient domain from the Managed domain drop-down list.
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- Tick Enable SPF to enable SPF check in TMEMS.
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- If you would like to insert an X-Header into email messages, click on the checkbox.
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- Under Actions, select the action to take based on the SPF check result. You can also choose to tag the subject and send notification for the message that fails SPF check.
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- Under Tag and Notify, customize the tag and select Do not tag digitally signed messages.
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- Under Ignored Peers, you can optionally add domain, IP address or CIDR block for senders you would like to disregard from SPF checking.
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- Click Add to save changes.
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- Go to Inbound Protection > Domain-based Authentication > Sender Policy Framework (SPF).
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- Navigate to the SPF rule. There are two ways for you to disable the rule: