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What is an SPF record?

A Sender Policy Framework (SPF) and it is published in TXT type of DNS record that lists all the authorized servers or specified IP addresses allowed to send emails on behalf of your domain. SPF is a popular email validation technique that can help ward off these attacks by detecting email spoofing and preventing spam. Using an SPF record can also help prevent your emails from being flagged as spam by other servers before reaching your targeted recipient.

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