This file is indexed.

/usr/lib/courier/esmtpd-ssl is in courier-mta 0.78.0-2ubuntu2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#! /bin/sh
#
#
#  Copyright 1998 - 2009 Double Precision, Inc.  See COPYING for
#  distribution information.
#
#  This is a simple script to start/stop the smtp port daemon, courieresmtpd.
#
#  Argument "start" starts the daemon.
#  Argument "stop" stops the daemon (just the listening daemon).
#  Argument "restart" rereads the smtpaccess.dat file.

prefix="/usr"
exec_prefix="/usr"
sysconfdir="/etc/courier"
sbindir="/usr/sbin"
libexecdir="${prefix}/lib/courier"

. ${sysconfdir}/esmtpd
. ${sysconfdir}/esmtpd-ssl

export PATH
export SHELL

case $1 in
start)
	;;
stop)
	${sbindir}/couriertcpd -pid=$SSLPIDFILE -stop
	exit 0
	;;
restart)
	${sbindir}/couriertcpd -pid=$SSLPIDFILE -restart
	exit 0
	;;
*)
	exit 0
	;;
esac

cd ${prefix}

if test "$ACCESSFILE" != ""
then
	if test ! -f "${ACCESSFILE}.dat"
	then
		ACCESSFILE=""
	else
		ACCESSFILE="-access=${ACCESSFILE}.dat"
	fi
fi

/bin/mkdir -p `dirname $SSLPIDFILE`
ulimit -d "$ULIMIT"
/usr/bin/env -i /bin/sh -c " set -a ; . ${sysconfdir}/esmtpd ; \
			. ${sysconfdir}/esmtpd-ssl ; \
	ESMTP_TLS=1; export ESMTP_TLS; \
	${sbindir}/couriertcpd \
		-stderrlogger=/usr/sbin/courierlogger \
		-stderrloggername=esmtpd-ssl \
		-maxprocs=$MAXDAEMONS -maxperip=$MAXPERIP \
		-maxperc=$MAXPERC \
		-pid=$SSLPIDFILE $TCPDOPTS \
		-user=$MAILUSER -group=$MAILGROUP \
		$BLACKLISTS $DROP $ACCESSFILE \
		-address=$SSLADDRESS $SSLPORT \
		$COURIERTLS -server -tcpd \
			${sbindir}/courieresmtpd"