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docker/docker-setup_msmtp.sh

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#!/bin/sh
set -eu
if [ -n "${SMTP_DOMAIN+x}" ] && [ -n "${SMTP+x}" ] && [ "${SMTP}" != "localhost" ]; then
SITENAME="${FRIENDICA_SITENAME:-Friendica Social Network}"
echo "Setup MSMTP for '$SITENAME' with '$SMTP' ..."
smtp_from="${SMTP_FROM:=no-reply}"
smtp_auth="${SMTP_AUTH:=on}"
# https://github.com/friendica/docker/issues/233
smtp_starttls="${SMTP_STARTTLS:=on}"
# Setup MSMTP
usermod --comment "$(echo "$SITENAME" | tr -dc '[:print:]')" root
usermod --comment "$(echo "$SITENAME" | tr -dc '[:print:]')" www-data
# add possible mail-senders
{
echo "www-data: $smtp_from@$SMTP_DOMAIN"
echo "root: $smtp_from@$SMTP_DOMAIN"
} >/etc/aliases
# create msmtp settings
{
echo "account default"
echo "host $SMTP"
if [ -n "${SMTP_PORT+x}" ]; then echo "port $SMTP_PORT"; else echo "port 587"; fi
echo "from \"$smtp_from@$SMTP_DOMAIN\""
echo "tls_certcheck off" # No certcheck because of internal docker mail-hostnames
if [ -n "${SMTP_TLS+x}" ]; then echo "tls on"; fi
echo "tls_starttls $smtp_starttls";
if [ -n "${SMTP_AUTH_USER+x}" ]; then echo "auth $smtp_auth"; fi
if [ -n "${SMTP_AUTH_USER+x}" ]; then echo "user \"$SMTP_AUTH_USER\""; fi
if [ -n "${SMTP_AUTH_PASS+x}" ]; then echo "password \"$SMTP_AUTH_PASS\""; fi
echo "logfile -"
echo "aliases /etc/aliases"
} >/etc/msmtprc
echo "Setup finished"
fi