vmail-stack/bin/webmail-enable.sh

#!/bin/bash
#
# vmail-stack
# https://git.stack-source.com/msb/vmail-stack
# MIT License Copyright (c) 2021 Matthew Saunders Brown

# must be root to enable apache config
if [ "$USER" != "root" ]; then
  exec su "$0" -- "$@"
fi

# check for and set virtualhost
if [ -n "$1" ]; then
  virtualhost=$1
else
  echo "virtualhost not set"
  exit 1
fi

# check that letsencrypt cert exists
if [ ! -f /etc/ssl/letsencrypt/mail.$virtualhost.pem ]; then
  echo "Let's Encrypt cert for mail.$virtualhost does not exist, create that first:"
  exit 1
fi

# enable webmail vhost & restart apache
if [ ! -f "/etc/apache2/sites-available/mail.$virtualhost.conf" ]; then
  echo "Use VHostMAIL $virtualhost" > /etc/apache2/sites-available/mail.$virtualhost.conf
fi

if [ ! -h "/etc/apache2/sites-enabled/mail.$virtualhost.conf" ]; then
  /usr/sbin/a2ensite --quiet mail.$virtualhost
  /usr/bin/systemctl --quiet is-active apache2 && systemctl --quiet reload  apache2
fi