An Upstart LSB Script replacement for the amavisd-milter Systemd-Script in https://thomas-leister.de/sicherer-mailserver-dovecot-postfix-virtuellen-benutzern-mysql-ubuntu-server-xenial/

amavis-milter

#!/bin/sh
### BEGIN INIT INFO
# Provides:             amavis-milter
# Required-Start:       $remote_fs $syslog
# Required-Stop:        $remote_fs $syslog
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Amavisd Milter
# Description:          Milter for Amavis Postfix
### END INIT INFO
# Diese Datei gehört in /etc/init.d/

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Amavis Milter"
NAME=amavisd-milter
USER=amavis
BINARY=amavisd-milter
BINARY_BIN=/usr/local/sbin
PIDFILE=/var/run/amavis/amavisd-milter.pid

start()
{
        su $USER -s /bin/sh -c "$BINARY_BIN/$BINARY -B -p $PIDFILE -w /var/lib/amavis -s /var/run/amavis/amavisd-milter.sock -S /var/run/amavis/amavisd.sock"
        if [ -e $PIDFILE ] && ps -p $(cat $PIDFILE) > /dev/null 2>&1; then
                chown postfix:postfix /var/run/amavis/amavisd-milter.sock
                chmod 0660 /var/run/amavis/amavisd-milter.sock
                echo "Started $NAME"
                # Amavisd-Milter wurde gestartet
        else
                echo "Couldn't start $NAME"
                # Amavisd-Milter hat keine gültige PID-Datei hinterlegt
        fi
}

stop()
{
        if [ -e $PIDFILE ] && ps -p $(cat $PIDFILE) > /dev/null 2>&1; then
                kill `cat $PIDFILE`
                echo "Stopped $NAME"
        else
                echo "$NAME isn't running"
        fi
}

status()
{
        if [ -e $PIDFILE ] && ps -p $(cat $PIDFILE) > /dev/null 2>&1; then
                echo "$NAME is running:"
                echo ps -p $(cat $PIDFILE)
                # Die PID ausgeben
        else
                echo "$NAME isn't running"
        fi
}

case "$1" in
        start)
                start
                ;;
        stop)
                stop
                ;;
        restart)
                stop
                sleep 3
                start
                ;;
        status)
                status
                ;;
        *)
                echo "Usage: $0 {start|stop|restart|status}"
                exit 1
esac

Had to include
COUNTER=0 MAXCOUNTER=10 before line 20 and
while (!([ -e $PIDFILE ] && ps -p $(cat $PIDFILE) > /dev/null 2>&1)) && [ $COUNTER -lt $MAXCOUNTER]
do
sleep 1s
$MAXCOUNTER=expr $MAXCOUNTER + 1
done
before line 24 to wait for service to create socket file before checking it.