PHP - Test Email From http://blog.techwheels.net/send-email-from-localhost-wamp-server-using-sendmail/
<?php
$to = 'recipient@yahoo.com';
$subject = 'Testing sendmail.exe';
$message = 'Hi, you just received an email using sendmail!';
$headers = 'From: [your_gmail_account_username]@gmail.com' . "\r\n" .
'MIME-Version: 1.0' . "\r\n" .
'Content-type: text/html; charset=utf-8';
if(mail($to, $subject, $message, $headers))
echo "Email sent";
else
echo "Email sending failed";
?>