I Built a Mail Server From Scratch and Spent Most of My Time on Four DNS Records
Published: September 9, 2026
Duration: 19:41
This story was originally published on HackerNoon at: https://hackernoon.com/i-built-a-mail-server-from-scratch-and-spent-most-of-my-time-on-four-dns-records.
Build a mail server from a bare VPS with CyberPanel, then get it to 10/10 on mail-tester: PTR, SPF, DKIM, DMARC, and the OpenDKIM milter trap.
Check more stories related to programming at: https://hackernoon.com/c/programming.
You can also check exclusive content about #postfix, #email-deliverability, #dkim, #devops, #spf, #server-management, #vps, #linux, and more.
This story was written by: @obaid03. Learn more about this writer by checking @obaid03's about page,
and for more stories, please visit hackernoon.com.
Standing up...