email phpmailer

<?php
// Import PHPMailer classes into the global namespace
// These must be at the top of your script, not inside a function
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require 'PHPMailer/src/Exception.php';
require 'PHPMailer/src/PHPMailer.php';
require 'PHPMailer/src/SMTP.php';

$mail = new PHPMailer(true);                              // Passing `true` enables exceptions
try {
    //Server settings
    $mail->SMTPDebug = 2;                                 // Enable verbose debug output
    $mail->isSMTP();                                      // Set mailer to use SMTP
    $mail->Host = 'smtp.gmail.com';  // Specify main and backup SMTP servers
    $mail->SMTPAuth = true;                               // Enable SMTP authentication
    $mail->Username = 'icom';                 // SMTP username
    $mail->Password = 'S8';                           // SMTP password
    $mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
    $mail->Port = 587;                                    // TCP port to connect to

    //Recipients
    $mail->setFrom('inforus1968@gmail.com', 'Rus Gold');
    $mail->addAddress($email, 'RUS GOLD USER');     // Add a recipient

    //Content
    $mail->isHTML(true);                                  // Set email format to HTML
    $mail->Subject = 'RUS GOLD Reset Password';
    $mail->Body    = "  <h2 style='font-family: arial'>Hello, We are from RUS GOLD</h2>
<p style='font-family: arial'>We just recived a Request saying You Forgot your password. Don't Worry you can Change your password by Clicking below Link</p>
<a href=".$url."><button style='background-color:#5E0000;color:white;padding:14px 20px;margin:8px 0;border:0;cursor:pointer;width:20%;opacity:.9;'>Choose a new Password</button></a>
<p style='font-family: arial'>If you don't have any idea about this, then you can ingore this E-mail. your RUS GOLD password will not change.</p>";
    $mail->AltBody = "  <h2 style='font-family: arial'>Hello, We are from RUS GOLD</h2>
<p style='font-family: arial'>We just recived a Request saying You Forgot your password. Don't Worry you can Change your password by Clicking below Link</p>
<a href=".$url."><button style='background-color:#5E0000;color:white;padding:14px 20px;margin:8px 0;border:0;cursor:pointer;width:20%;opacity:.9;'>Choose a new Password</button></a>
<p style='font-family: arial'>If you don't have any idea about this, then you can ingore this E-mail. your RUS GOLD password will not change.</p>";

    $mail->send();
} catch (Exception $e) {
    echo 'Message could not be sent. Mailer Error';//, //$mail->ErrorInfo
}
?>