Tutorial
6 min readHow to send transactional email from your Cloudflare custom domain
Why most transactional-email providers are overkill for a Cloudflare-native team, and how Cloudflare Email Services + a Worker gets you there in a day.
Self-hosted · CFFlowmails
Runtime v0.1
Journal
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.
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Tutorial
10 min readEmail webhook on Cloudflare Workers — HMAC, retries, idempotency
Receive email events in a Cloudflare Worker: HMAC-SHA256 signature verification, retry schedule, idempotency key (SMTP Message-ID), and the failure modes that catch teams out.