script send email via SMTP Linux

# test connection for SMTP

(echo Helo
sleep 2
echo MAIL FROM: email sender
sleep 2
echo RCPT TO: email receiver
sleep 2
echo "DATA
Subject:Test-Mail-SMTP from Ari Code

Kalau kamu bisa baca ini , berarti berhasil !!!"
sleep 2
echo '.'
sleep 2
echo QUIT
) | telnet IP 25