#!/bin/sh
cat <<EOF> /etc/systemd/system/smtp_auth_sync.service
[Unit]
Description=SMTP Authentication Sync
After=syslog.target
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/sbin/smtp_auth_sync.pl
Restart=always

[Install]
WantedBy=multi-user.target
EOF
systemctl enable smtp_auth_sync
systemctl start smtp_auth_sync