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mailcow-dockerized/data/Dockerfiles/postfix/docker-entrypoint.sh

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#!/bin/bash
# Run hooks
for file in /hooks/*; do
if [ -x "${file}" ]; then
echo "Running hook ${file}"
"${file}"
fi
done
python3 -u /bootstrap/main.py
BOOTSTRAP_EXIT_CODE=$?
if [ $BOOTSTRAP_EXIT_CODE -ne 0 ]; then
echo "Bootstrap failed with exit code $BOOTSTRAP_EXIT_CODE. Not starting Postfix."
exit $BOOTSTRAP_EXIT_CODE
fi
# Fix OpenSSL 3.X TLS1.0, 1.1 support (https://community.mailcow.email/d/4062-hi-all/20)
if grep -qE '\!SSLv2|\!SSLv3|>=TLSv1(\.[0-1])?$' /opt/postfix/conf/main.cf /opt/postfix/conf/extra.cf; then
sed -i '/\[openssl_init\]/a ssl_conf = ssl_configuration' /etc/ssl/openssl.cnf
echo "[ssl_configuration]" >> /etc/ssl/openssl.cnf
echo "system_default = tls_system_default" >> /etc/ssl/openssl.cnf
echo "[tls_system_default]" >> /etc/ssl/openssl.cnf
echo "MinProtocol = TLSv1" >> /etc/ssl/openssl.cnf
echo "CipherString = DEFAULT@SECLEVEL=0" >> /etc/ssl/openssl.cnf
fi
# Start Postfix
postconf -c /opt/postfix/conf > /dev/null
if [[ $? != 0 ]]; then
echo "Postfix configuration error, refusing to start."
exit 1
else
echo "Bootstrap succeeded. Starting Postfix..."
postfix -c /opt/postfix/conf start
sleep 126144000
fi