From 437b118a16e3dece21f3c04d2c87882df46c1da6 Mon Sep 17 00:00:00 2001
From: Ketan Patel <k2patel@gmail.com>
Date: Fri, 1 Aug 2025 13:38:33 -0400
Subject: [PATCH] Adding missing run.sh

---
 run.sh | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 run.sh

diff --git a/run.sh b/run.sh
new file mode 100644
index 0000000..7d0ef74
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,88 @@
+#!/bin/bash
+
+[ "${DEBUG}" == "yes" ] && set -x
+
+/usr/lib/postfix/post-install meta_directory=/etc/postfix create-missing
+/usr/lib/postfix/master
+
+function add_config_value() {
+  local key=${1}
+  local value=${2}
+  local config_file=${3:-/etc/postfix/main.cf}
+  [ "${key}" == "" ] && echo "ERROR: No key set !!" && exit 1
+  [ "${value}" == "" ] && echo "ERROR: No value set !!" && exit 1
+
+  echo "Setting configuration option ${key} with value: ${value}"
+ postconf -e "${key} = ${value}"
+}
+
+[ -z "${SMTP_SERVER}" ] && echo "SMTP_SERVER is not set" && exit 1
+[ -z "${SMTP_PORT}" ] && echo "SMTP_PORT is not set" && exit 1
+[ -z "${SMTP_USERNAME}" ] && echo "SMTP_USERNAME is not set" && exit 1
+[ -z "${SMTP_PASSWORD}" ] && echo "SMTP_PASSWORD is not set" && exit 1
+
+#Check for subnet restrictions
+nets='127.0.0.1, 172.0.0.0/8, 10.0.0.0/8, 192.168.0.0/16'
+if [ ! -z "${SMTP_NETWORKS}" ]; then
+        for i in $(sed 's/,/\ /g' <<<$SMTP_NETWORKS); do
+                if grep -Eq "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/[0-9]{1,2}" <<<$i ; then
+                        nets+=", $i"
+                else
+                        echo "$i is not in proper IPv4 subnet format. Ignoring."
+                fi
+        done
+fi
+
+# Set needed config options
+add_config_value "myhostname" ${SERVER_HOSTNAME}
+add_config_value "mydomain" ${DOMAIN}
+add_config_value "mydestination" '$myhostname'
+add_config_value "myorigin" '$mydomain'
+add_config_value "relayhost" "[${SMTP_SERVER}]:${SMTP_PORT}"
+add_config_value "smtp_sasl_auth_enable" "yes"
+add_config_value "smtp_sasl_password_maps" "lmdb:/etc/postfix/sasl_passwd"
+add_config_value "smtp_sasl_security_options" "noanonymous"
+add_config_value "smtp_sasl_tls_security_options" "noanonymous"
+add_config_value "smtp_tls_security_level" "encrypt"
+add_config_value "header_size_limit" "4096000"
+add_config_value "smtpd_sasl_local_domain" ${DOMAIN}
+add_config_value "smtpd_recipient_restrictions" "permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination"
+add_config_value "mailbox_size_limit" "256000000"
+
+# Create sasl_passwd file with auth credentials
+if [ ! -f /etc/postfix/sasl_passwd ]; then
+  grep -q "${SMTP_SERVER}" /etc/postfix/sasl_passwd  > /dev/null 2>&1
+  if [ $? -gt 0 ]; then
+    echo "Adding SASL authentication configuration"
+    echo "[${SMTP_SERVER}]:${SMTP_PORT} ${SMTP_USERNAME}:${SMTP_PASSWORD}" >> /etc/postfix/sasl_passwd
+    postmap /etc/postfix/sasl_passwd
+  fi
+fi
+
+#Set header tag  
+if [ ! -z "${SMTP_HEADER_TAG}" ]; then
+  postconf -e "header_checks = regexp:/etc/postfix/header_tag"
+  echo -e "/^MIME-Version:/i PREPEND RelayTag: $SMTP_HEADER_TAG\n/^Content-Transfer-Encoding:/i PREPEND RelayTag: $SMTP_HEADER_TAG" > /etc/postfix/header_tag
+  echo "Setting configuration option SMTP_HEADER_TAG with value: ${SMTP_HEADER_TAG}"
+fi
+
+
+add_config_value "mynetworks" "${nets}"
+
+#Start services
+
+# If host mounting /var/spool/postfix, we need to delete old pid file before
+# starting services
+rm -f /var/spool/postfix/pid/master.pid
+
+postconf -c /etc/postfix/
+
+if [[ $? != 0 ]]; then
+  echo "Postfix configuration error, refusing to start."
+  exit 1
+else
+  postfix -c /etc/postfix/ start
+  sleep 126144000
+fi
+
+ENTERYPOINT /usr/bin/supervisord -c /etc/supervisor/supervisord.conf