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.

SendGrid alternative on Cloudflare — when self-hosted replaces an ESP

SendGrid is a great hosted ESP. If you want data residency, no per-email fees, and a control plane on the same Cloudflare account as your Workers, Flowmails is the switch that keeps the same operational model.

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