Guide

What is SPF?

Sender Policy Framework (SPF) is a cornerstone of email authentication, and is the first of several standards established for that purpose.

Sender Policy Framework (SPF) is the first of several Internet standards that enable email authentication. SPF is part of your domain’s technical signature that allows receiving servers to see which senders are allowed to send emails on behalf of your domain. Attempts by unauthorized senders will fail the SPF test.

In this white paper, you will learn:

  • How SPF works and why organizations need it
  • The limitations of SPF
  • How automation addresses the challenges of SPF

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