enable phpmailer cpanel

1<?phpuse PHPMailer\PHPMailer\PHPMailer;use PHPMailer\PHPMailer\Exception;require '/home/cpanelusername/PHPMailerTest/PHPMailer/src/Exception.php';require '/home/cpanelusername/PHPMailerTest/PHPMailer/src/PHPMailer.php';require '/home/cpanelusername/PHPMailerTest/PHPMailer/src/SMTP.php';// Instantiation and passing [ICODE]true[/ICODE] enables exceptions$mail = new PHPMailer(true);try { //Server settings $mail->SMTPDebug = 2; // Enable verbose debug output $mail->isSMTP(); // Set mailer to use SMTP $mail->Host = 'smtp1.example.com;smtp2.example.com'; // Specify main and backup SMTP servers $mail->SMTPAuth = true; // Enable SMTP authentication $mail->Username = 'user@example.com'; // SMTP username $mail->Password = 'secret'; // SMTP password $mail->SMTPSecure = 'tls'; // Enable TLS encryption, [ICODE]ssl[/ICODE] also accepted $mail->Port = 587; // TCP port to connect to//Recipients $mail->setFrom('from@example.com', 'Mailer'); $mail->addAddress('recipient1@example.net', 'Joe User'); // Add a recipient $mail->addAddress('recipient2@example.com'); // Name is optional $mail->addReplyTo('info@example.com', 'Information'); $mail->addCC('cc@example.com'); $mail->addBCC('bcc@example.com');// Attachments $mail->addAttachment('/home/cpanelusername/attachment.txt'); // Add attachments $mail->addAttachment('/home/cpanelusername/image.jpg', 'new.jpg'); // Optional name// Content $mail->isHTML(true); // Set email format to HTML $mail->Subject = 'Here is the subject'; $mail->Body = 'This is the HTML message body <b>in bold!</b>'; $mail->AltBody = 'This is the body in plain text for non-HTML mail clients';$mail->send(); echo 'Message has been sent';} catch (Exception $e) { echo "Message could not be sent. Mailer Error: {$mail->ErrorInfo}";}