HOW TO SEND DATA ON MAIL USE PHP

$message = '<html><body>';
$message .= '<table rules="all" style="border-color: #666;" cellpadding="10">';

$message .= "<tr><td>Name: </td><td>" . strip_tags($clname) . "</td></tr>";
$message .= "<tr><td>Email: </td><td>" . strip_tags($clemail) . "</td></tr>";

$message .= "<tr><td>Country: </td><td>" . $clcountry . "</td></tr>";
$message .= "<tr><td>Telephone Number: </td><td>" . $clphone . "</td></tr>";

$message .= "<tr><td>Date of Arrival: </td><td>" . $remark . "</td></tr>";;

$message .= "</table>";
$message .= " ";
$message .= "Reference: $reference";
$message .= "</body></html>";

$headers = "From: " . $clemail . "\r\n";
$headers .= "Reply-To: ". strip_tags($clemail) . "\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-Type: text/html; charset=ISO-8859-1\r\n";
$subject = 'info@PIYUSH.com';
mail($tomail, $subject, $message, $headers);

HOW TO SEND DATA ON MAIL USE PHP