Sender Policy Framework (SPF) plays an important role in modern-day email authentication, along with DMARC and DKIM. It helps prevent emails from unauthorized senders from landing in the inbox.
We are going to present a comprehensive guide to SPF in this article…
DMARC (Domain-based Message Authentication, Reporting and Conformance) specifies these possible errors (non-pass) in SPF (Sender Policy Framework) authentication: none, neutral, fail (hard fail), softfail (soft fail), temperror (temporary error), and permerror (permanent error)…
