First commit

build/run/docker-entrypoint/entrypoint.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+# Abort if an error is encountered
+set -e
+
+# Exit function
+trap '[ "${?}" -ne 77 ] || exit 77' ERR
+function die
+{
+    local reset="\e[0m"
+    local red="\e[0m\e[0;31m"
+    local yellow="\e[0m\e[0;33m"
+
+	echo -e "${red}
+Error encountered in the following init script:
+${yellow}
+	${@}
+${red}
+Aborting...
+${reset}"
+
+    exit 77
+}
+
+# Reset
+echo | tee /var/log/maillog /etc/postfix/{relaydomains,transportmaps,helo_access,rbl_override}
+
+# Postfix
+echo ${MYVEMAIL_DOMAIN} >/etc/mailname
+postconf -e "myhostname = ${MYVEMAIL_SUBDOMAIN}.${MYVEMAIL_DOMAIN}"
+postconf -e "mydestination = \$myhostname, ${MYVEMAIL_SUBDOMAIN}.${MYVEMAIL_DOMAIN}, localhost, localhost.localdomain, localhost"
+postconf -e "mydomain = ${MYVEMAIL_DOMAIN}"
+
+# resolv.conf
+[ -d /var/spool/postfix/etc/ ] || mkdir /var/spool/postfix/etc/
+cp /etc/resolv.conf /var/spool/postfix/etc/resolv.conf
+
+# Add primary mail servers to mynetworks
+if [ ${MYVEMAIL_PRIMARYMX} ]
+then
+    primarymx+=(${MYVEMAIL_PRIMARYMX//,/ })
+    postconf -e "$(postconf mynetworks)$(printf ' %s/32' ${primarymx[@]})"
+fi
+
+# Relay setup
+addmx=(${MYVEMAIL_DOMAIN})
+addmx+=(${MYVEMAIL_ADDMX//,/ })
+printf '%s			OK\n' ${addmx[@]} >/etc/postfix/relaydomains
+for domain in ${addmx[@]}
+do
+    echo "${domain}			smtp:mail.${domain}:25" | tee -a /etc/postfix/transportmaps >/dev/null
+    echo "${domain}			OK" | tee -a /etc/postfix/{helo_access,rbl_override} >/dev/null
+done
+
+# Start postfix
+postfix start
+postmap /etc/postfix/relaydomains /etc/postfix/transportmaps /etc/postfix/helo_access /etc/postfix/rbl_override
+postfix reload
+
+# Downtime log
+install /dev/stdin /usr/local/bin/downtime <<- downtime
+#!/usr/bin/env bash
+# Send downtime log to downtime email address
+echo "From: ${MYVEMAIL_SUBDOMAIN}@${MYVEMAIL_DOMAIN}
+To: downtime@${MYVEMAIL_DOMAIN}
+Subject: Monthly downtime log
+
+\$(cat /var/log/downtime)" | sendmail downtime@${MYVEMAIL_DOMAIN}
+
+# Delete log to start anew
+echo >/var/log/downtime
+downtime
+
+# Monitor log
+echo -e "\n\e[1;32mMail service is ready\e[0m\n"
+tail -f /var/log/maillog