SPF
A DNS record that lists the IP addresses authorized to send email for a domain.
Category
Architecture
Term ID
sender-policy-framework
Related
4 Terms
Status
Defined
01 — The Deep Dive
Understanding the Mechanics
SPF (Sender Policy Framework) is the bouncer. It tells the recipient server: 'If the email didn't come from this IP, it's not really from us.' It is the first line of defense against spoofing.
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