The sender policy framework (SPF) is one of the email authentication protocols which helps the sender identify phishing emails and protect the organization from fraud. In the previous article, we discussed what is email authentication and its importance. In this article, we will look into one of the main email authentication protocols Sender Policy Framework aka SPF. This article gives an in-depth view of what is SPF, why do we need SPF, how to set up an SPF record

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