PHP Mailer Test

mailer.php

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

require './vendor/autoload.php';

$dotenv = Dotenv\Dotenv::createImmutable(__DIR__ . '/');

$dotenv->load();

$mail = new PHPMailer(true);

$mail->isSMTP();
$mail->Host = "smtp.office365.com";
$mail->SMTPAuth = true;
$mail->Username = $_ENV['SMTP_USER'];
$mail->Password = $_ENV['SMTP_PASSWORD'];
$mail->SMTPSecure = 'tls';
$mail->Port = 587;

$mail->setFrom('[email protected]');
$mail->addAddress('[email protected]');
$mail->Subject = 'Test email using PHPMailer';

$mail->isHTML(true);
$mailContent = "<h1>Send HTML Email using SMTP in PHP</h1>
    <p>This is a test email I’m sending using SMTP mail server with PHPMailer.</p>";
$mail->Body = $mailContent;

if(!$mail->send()){
    echo 'Message could not be sent.';
    echo 'Mailer Error: ' . $mail->ErrorInfo;
}else{
    echo 'Message has been sent';
}