"You may have heard of SPF (Sender Policy Framework), but what is it? To put it simply, itโ€s a way for domain owners to say to the world: 'these servers are the only ones that send email from this domain.'"
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"You may have heard of SPF (Sender Policy Framework), but what is it? To put it simply, itโ€s a way for domain owners to say to the world: 'these servers are the only ones that send email from this domain.'"