AI & the web
SPF
Sender Policy Framework: a method that identifies servers permitted to send email for a domain.
In everyday use
A brand's domain lists its authorised email service in a DNS record.
What to keep in mind
SPF alone does not guarantee inbox placement or establish that a message is safe.
Also searched as: Sender Policy Framework
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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