LinuxQuestions.org - SSL certificate for package exim does not recognize local openssl

that's the shell script:
Code:
#!/bin/sh -e



if [ -n "$EX4DEBUG" ]; then

  echo "now debugging $0 $@"

  set -x

fi



DIR=/etc/exim4

CERT=$DIR/exim.crt

KEY=$DIR/exim.key



# This exim binary was built with GnuTLS which does not support dhparams

# from a file. See /usr/share/doc/exim4-base/README.Debian.gz

#DH=$DIR/exim.dhparam



if ! which openssl > /dev/null ;then

        echo "$0: openssl is not installed, exiting" 1>&2

        exit 1

fi



# valid for three years

DAYS=1095



if [ "$1" != "--force" ] && [ -f $CERT ] && [ -f $KEY ]; then

  echo "[*] $CERT and $KEY exists!"

  echo "    Use \"$0 --force\" to force generation!"

  exit 0

fi



if [ "$1" = "--force" ]; then

  shift

fi    



#SSLEAY=/tmp/exim.ssleay.$$.cnf

SSLEAY="$(tempfile -m600 -pexi)"



cat > $SSLEAY <<EOM

RANDFILE = $HOME/.rnd

[ req ]

default_bits = 1024

default_keyfile = exim.key

distinguished_name = req_distinguished_name

[ req_distinguished_name ]

countryName = Country Code (2 letters)

countryName_default = US

countryName_min = 2

countryName_max = 2

stateOrProvinceName = State or Province Name (full name)

localityName = Locality Name (eg, city)

organizationName = Organization Name (eg, company; recommended)

organizationName_max = 64

organizationalUnitName = Organizational Unit Name (eg, section)

organizationalUnitName_max = 64

commonName = Server name (eg. ssl.domain.tld; required!!!)

commonName_max = 64

emailAddress = Email Address

emailAddress_max = 40

EOM



echo "[*] Creating a self signed SSL certificate for Exim!"

echo "    This may be sufficient to establish encrypted connections but for"

echo "    secure identification you need to buy a real certificate!"

echo "    "

echo "    Please enter the hostname of your MTA at the Common Name (CN) prompt!"

echo "    "



openssl req -config $SSLEAY -x509 -newkey rsa:1024 -keyout $KEY -out $CERT -days $DAYS -nodes

#see README.Debian.gz*# openssl dhparam -check -text -5 512 -out $DH

rm -f $SSLEAY



chown root:Debian-exim $KEY $CERT $DH

chmod 640 $KEY $CERT $DH



echo "[*] Done generating self signed certificates for exim!"

echo "    Refer to the documentation and example configuration files"

echo "    over at /usr/share/doc/exim4-base/ for an idea on how to enable TLS"

echo "    support in your mail transfer agent."