Sending email using MVC

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require '../vendor/autoload.php';

class Email {
	
	public function sendMail($email)
	{
	
		$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 = 'mail.example.com';  // Specify main and backup SMTP servers
			$mail->SMTPAuth = true;                               // Enable SMTP authentication
			$mail->Username = mail@example.com';                 // SMTP username
			$mail->Password = 'secret';                           // SMTP password
			$mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
			$mail->Port = 587;                                    // TCP port to connect to

			//Recipients
			$mail->setFrom('mail@example.com');
			$mail->addAddress($email);     // Add a recipient              // Name is optional
			$mail->addReplyTo('mail@example.com');


			//Content
			$mail->isHTML(true);                                  // Set email format to HTML
			$mail->Subject = 'Forgotten password';
			$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();
		} catch (Exception $e) {
			echo 'Message could not be sent.';
			echo 'Mailer Error: ' . $mail->ErrorInfo;
		}	
	}
}

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public function forgot_password()
	{
		if($_SERVER['REQUEST_METHOD'] == 'POST') {
			
			$email = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);
			
			$data = [
				
				'email' => $email,
				'message' => ''
			];
			
			if(!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
				
				$data['message'] .= 'Invalid email address';
			}
			
			if(!$this->userModel->findUserByEmail($email) && filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
				
				$data['message'] .= 'Email address does not exist';
			}
			
			if(!empty($data['message'])) {
				
				$this->view('users/forgot-password', $data);
				
			} else {
				
				$send = new Email();
				$send->sendMail($data['email']);
				$this->view('users/email-sent');
			
			}
			
		} else {
			
			$data = [
				
				'email' => '',
				'message' => ''
			];
			
			$this->view('users/forgot-password', $data);
				
		}	
	}

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