$to = 'form@kronova.in, ' . $Email;
$subject = 'ABC :: Admission Form Details';
$repEmail = 'form@kronova.in';

$fileName = 'ABC-Admission.pdf';
$fileatt = $pdf->Output($fileName, 'E');
$attachment = chunk_split($fileatt);
$eol = PHP_EOL;
$separator = md5(time());

$headers = 'From: Principal abc <'.$repEmail.'>'.$eol;
$headers .= 'MIME-Version: 1.0' .$eol;
$headers .= "Content-Type: multipart/mixed; boundary="".$separator.""";

$message = "--".$separator.$eol;
$message .= "Content-Transfer-Encoding: 7bit".$eol.$eol;
$message .= "Thanks for filling online application form. Your online admission registration number is E0000". mysql_insert_id() . "." .$eol;

$message .= "--".$separator.$eol;
$message .= "Content-Type: text/html; charset="iso-8859-1"".$eol;
$message .= "Content-Transfer-Encoding: 8bit".$eol.$eol;

$message .= "--".$separator.$eol;
$message .= "Content-Type: application/pdf; name="".$fileName.""".$eol;
$message .= "Content-Transfer-Encoding: base64".$eol;
$message .= "Content-Disposition: attachment".$eol.$eol;
$message .= $attachment.$eol;
$message .= "--".$separator."--";

if (mail($to, $subject, $message, $headers)){
echo "Email sent";
}

else {
echo "Email failed";