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.

Custom Email Routing on Cloudflare: Build Your Own Address Book

Why a catch-all isn't always enough, how Flowmails route tables replace it with explicit literal-matcher rules, and how to switch safely.

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