phpupload/phpmailer.php

<?php
    use PHPMailer\PHPMailer\PHPMailer;
    require 'vendor/autoload.php';
    $mail = new PHPMailer;
    $mail->isSMTP();
    $mail->SMTPDebug = 2;
    $mail->Host = getenv('MAIL_SMTP_SERVER');
    $mail->Port = getenv('MAIL_SMTP_PORT');
    $mail->SMTPAuth = true;
    $mail->Username = getenv('MAIL_SMTP_USERNAME');
    $mail->Password = getenv('MAIL_SMTP_PASSWORD');
    $mail->setFrom(getenv('MAIL_FROM'), 'Cloudron LAMP App');
    $mail->addAddress('mail@girish.in', 'Girish Ramakrishnan');
    $mail->Subject = 'PHPMailer SMTP message (via Cloudron)';
    $mail->isHTML(true);
    $mail->Body = '<h2>Send HTML Email using SMTP in PHP</h2>';
    if (!$mail->send()) {
        echo 'Mailer Error: ' . $mail->ErrorInfo;
    } else {
        echo 'Message sent!';
    }
?>