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After adding a custom domain, SentFromAI gives you a set of DKIM, SPF, DMARC, and MX records. Here’s how to add them in Cloudflare.
1

Open DNS settings

Cloudflare dashboard → select your domain → DNS → Records.
2

Add the DKIM records (CNAME ×3)

For each, Add record → Type CNAME, Name = the *._domainkey… value, Target = …dkim.amazonses.com. Set Proxy status to DNS only (grey cloud) — mail records must not be proxied.
3

Add SPF + DMARC (TXT)

Type TXT, Name and Content exactly as shown (e.g. v=spf1 include:amazonses.com ~all and the _dmarc record). Cloudflare adds the quotes for you — don’t paste extra quotes.
4

Add the MX records

Type MX, Name as shown, Mail server = the …amazonaws.com / …amazonses.com target, Priority 10.
Keep all of these DNS only (grey cloud). Proxying (orange cloud) breaks mail authentication and routing.
SentFromAI verifies automatically once the records resolve — usually within minutes. Track status on the Domains page in the dashboard, or call POST /domains/{id}/verify to re-check now.