Operator notes on Cloudflare-native email.

Long-form writing about self-hosted email in D1, Workers-native routing, the REST API, and the parts of the platform that show up in the security review.

DKIM, SPF, and DMARC on Cloudflare Email Routing — the parts you still need

Cloudflare Email Routing auto-signs DKIM for the zone. You still publish SPF and DMARC yourself. Here's what each record does, the exact strings to use, and how to monitor your alignment.

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