Email Authentication

How SPF works alongside DKIM and DMARC for full email authentication.

SPF Alignment Explained: Why SPF Can Pass But DMARC Still Fails

Understand SPF alignment and DMARC. Learn strict vs relaxed alignment, why SPF can pass but DMARC still fails, and how to fix it.

Understand how SPF, DKIM, and DMARC work together to authenticate email and prevent spoofing. A practical, non-technical guide.