Web Reference: Apr 18, 2023 · After deploying new DNS resolvers across a large infrastructure, the mail queues of certain Postfix mail servers (sending directly via Internet, not using a SMTP relay) suddenly started to increase. Oct 31, 2025 · Track down Postfix “host not found” delivery failures fast: DNS traps, resolver timeouts, caching lies, IPv6 gotchas, and a practical command-driven playbook. Mar 7, 2024 · Postfix works chrooted, so it isn't actually using /etc/resolv.conf, but /var/spool/postfix/etc/resolv.conf. Postfix comes with a script that performs some administrative tasks, including copying the system's resolv.conf to the chroot, and it is run at Postfix start time.
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Net Worth Profile Overview
Devops Sysadmins Postfix Dns Error Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $15M - $44M
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Last Updated: April 10, 2026
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