Docker, Postfix, NAT, and IPv6. What could go wrong? As it turns out, a lot. Follow this deep dive into hair-pulling as I attempt to eradicate an apparent open relay on my VPS server.
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Docker, Postfix, NAT, and IPv6. What could go wrong? As it turns out, a lot. Follow this deep dive into hair-pulling as I attempt to eradicate an apparent open relay on my VPS server.