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fix(postfix-pgsql): disable chroot to fix pgsql lookup DNS resolution

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Damien
2026-06-26 11:17:36 +02:00
parent 0592bb2244
commit cc01910eb1
2 changed files with 13 additions and 0 deletions
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6
images/postfix-pgsql/docker-entrypoint.sh
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@@ -59,4 +59,10 @@ chmod 640 /etc/postfix/pgsql-relay-domains.cf /etc/postfix/pgsql-transport-maps.
postfix check
# Disable chroot for all master.cf services so child processes (smtpd,
# trivial-rewrite, etc.) can resolve Docker-internal hostnames via the host's
# /etc/resolv.conf. Without this, chrooted processes have no DNS and every
# pgsql lookup returns "451 4.3.0 Temporary lookup failure".
postconf -F '*/*/chroot = n'
exec /usr/sbin/postfix start-fg