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I Built a Mail Server From Scratch and Spent Most of My Time on Four DNS Records

Hacker Noon

TechnologyHacker Noon·Sep 8, 2026·1 min read

I Built a Mail Server From Scratch and Spent Most of My Time on Four DNS Records

Getting a mail server to send email is easy. You provision a box, run an installer, point an MX record at it, send a test, and something arrives somewhere. That part took an afternoon. Getting a mail server that Gmail will put in someone's…

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