This is the sample script to send mail using script. I have used perl . You can try with shell script also , with the same way.
— Contents of testmail.pl —
#!/usr/bin/perl
$mailcmd=”/usr/lib/sendmail -t << EOF
To: linux-cloud@nodomain.com
From : linux-cloud@nodomain.com
Subject : Linux-cloud cars
I love luxury Cars, SUV
EOF”;
`$mailcmd`;
# script ends