Back to Playbooks
Technical
Infrastructure
· 15 min read
Deliverability 101: Why Your Emails Go to Spam
SPF, DKIM, DMARC explained simply — and how to fix them when they break.
Deliverability is engineering, not luck. Three records control whether you land in the inbox or spam.
SPF says which servers can send for your domain. DKIM cryptographically signs your messages. DMARC tells receivers what to do when SPF/DKIM fail.
Set all three. Monitor with a tool like dmarcian. Fix issues before scaling volume.
Want us to build this for you?
We use these exact frameworks with every client. Book a free strategy call.
Book a Free Strategy Call