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These three DNS records decide whether your email reaches the inbox — or gets spoofed, junked, or rejected. Here's what a strong, standards-compliant setup looks like.
Sender Policy Framework
Publishes exactly which servers are allowed to send mail for your domain, so receivers can spot forged senders.
DomainKeys Identified Mail
Cryptographically signs every message so recipients can verify it genuinely came from you and wasn't altered in transit.
Domain-based Message Authentication
Tells receivers what to do when SPF/DKIM fail, and emails you reports on who is sending as your domain.
Not sure where you stand? Run a free scan above to check all three in seconds.
