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Landing in the inbox comes down to authentication (proving you’re allowed to send) and reputation (a track record of wanted mail). SentFromAI handles the hard parts; this explains what’s happening and how to keep it healthy.

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The three records

When you verify a custom domain, SentFromAI gives you these to publish. On the shared mail.sentfrom.ai domain they’re already in place. Publish them with your DNS provider — step-by-step guides for Cloudflare, GoDaddy, Route 53, and Namecheap.

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Ramp your DMARC policy

Start permissive and tighten as you build history. SentFromAI lets you ramp the policy (POST /domains/{id}/dmarc):
1

p=none

Monitor only — collect reports, change nothing. Start here.
2

p=quarantine

Failing mail goes to spam. Move here once SPF/DKIM pass consistently.
3

p=reject

Failing mail is rejected outright — full anti-spoofing. The end goal.

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Reputation hygiene

  • Warm up. Ramp volume gradually on a new domain rather than blasting from day one.
  • Keep bounce/complaint rates low. SentFromAI auto-suppresses bounced and complained addresses so you never re-send to them — watch your Metrics deliverability score.
  • Send wanted mail. Relevant, expected messages with easy opt-out beat volume every time.
  • Use a dedicated subdomain/IP (Scale and up) to isolate your reputation from other tenants.

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”Why am I going to spam?”

Most often: the domain isn’t fully authenticated (a missing/typo’d DKIM or SPF record), the content looks spammy, or the domain is cold. Verify all records resolve, warm up slowly, and check the deliverability score on the dashboard. See the FAQ for quick fixes.