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catch more cases for ipv4 only delivery

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This commit is contained in:
Philipp Dreimann 2025-10-29 23:02:26 +01:00
parent 9ceee5d257
commit 4d92f58648
1 changed files with 6 additions and 8 deletions
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14
data/Dockerfiles/postfix/postfix.sh
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@ -491,15 +491,13 @@ cat /opt/postfix/conf/extra.cf >> /opt/postfix/conf/main.cf
source /usr/local/bin/ipv6_smtp_controller.sh
check_ipv6_smtp_sending_eligibility
# Reset master.cf to base configuration
sed -i '/Overrides/q' /opt/postfix/conf/master.cf
echo >> /opt/postfix/conf/master.cf
# Append IPv6 SMTP override if needed
# Process tags in master.cf based on IPv6 eligibility
if [[ "${DISABLE_IPV6_SMTP_SENDING}" == "true" ]]; then
echo -e "\n# IPv6 SMTP Override" >> /opt/postfix/conf/master.cf
echo "smtp inet n - n - 1 postscreen" >> /opt/postfix/conf/master.cf
echo " -o inet_protocols=ipv4" >> /opt/postfix/conf/master.cf
# Convert magic tags to actual IPv4-only configuration
sed -i 's/# Override: IPv4 Only #/ -o inet_protocols=ipv4/' /opt/postfix/conf/master.cf
else
# Remove magic tags to allow IPv6
sed -i '/# Override: IPv4 Only #/d' /opt/postfix/conf/master.cf
fi
if [ ! -f /opt/postfix/conf/custom_transport.pcre ]; then