Custom Domain Email Is Way More Complicated Than It Should Be
Gmail is retiring third-party “Send as.” Here is the free replacement I built with Cloudflare Email Routing, Thunderbird, and SMTP2GO — and why SPF, DKIM, and DMARC finally pass.
/ Notes
Build notes from the lab.
Short, practical writeups about systems, security, infrastructure, experiments, and the mistakes worth documenting.
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