[Solved] Send email from localhost/WAMP Server using SENDMAIL 

Mail script is as below
$to = 'recipient@yahoo.com';
$subject = 'Testing sendmail.exe';
$message = 'Hi, you just received an email using sendmail!';
$headers = 'From: [your_gmail_account_username]@gmail.com' . "
" .
'MIME-Version: 1.0' . "
" .
'Content-type: text/html; charset=utf-8';
if(mail($to, $subject, $message, $headers))
echo "Email sent";
else
echo "Email sending failed";