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chore: packages.sh - Revise Postfix hostname workaround

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Brennan Kinney 2025-05-27 14:19:16 +12:00 • committed by GitHub
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commit 6ed1455ec1
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12
target/scripts/build/packages.sh
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@ -83,12 +83,14 @@ function _install_postfix() {
_log 'warn' 'Applying workaround for Postfix bug (see https://github.com/docker-mailserver/docker-mailserver/issues/2023#issuecomment-855326403)'
# Debians postfix package has a post-install script that expects a valid FQDN hostname to work:
mv /bin/hostname /bin/hostname.bak
echo "echo 'docker-mailserver.invalid'" >/bin/hostname
chmod +x /bin/hostname
# Debians postfix package has a post-install script that expects a valid FQDN hostname to work.
# Replace the hostname command to instead output temporary hostname that is fully-qualified:
mv /usr/bin/hostname /usr/bin/hostname.bak
echo -e "#!/bin/bash\necho 'docker-mailserver.invalid'" >/usr/bin/hostname
chmod +x /usr/bin/hostname
# Install the postfix package, then restore the original hostname command afterwards:
apt-get "${QUIET}" install --no-install-recommends postfix
mv /bin/hostname.bak /bin/hostname
mv /usr/bin/hostname.bak /usr/bin/hostname
# Irrelevant - Debian's default `chroot` jail config for Postfix needed a separate syslog socket:
rm /etc/rsyslog.d/postfix.conf