test-mail.php

<?php

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

require_once('scripts/dependencies/third-party/PHPMailer/src/PHPMailer.php');
require_once('scripts/dependencies/third-party/PHPMailer/src/SMTP.php');
require_once('scripts/dependencies/third-party/PHPMailer/src/Exception.php');

require_once('.credentials.php');


$mail = new PHPMailer(true);

try {
    //Server settings
    $mail->SMTPDebug = SMTP::DEBUG_SERVER;                      //Enable verbose debug output
    $mail->isSMTP();                                            //Send using SMTP
    $mail->Host       = $_MAIL['location'];                     //Set the SMTP server to send through
    $mail->SMTPAuth   = true;                                   //Enable SMTP authentication
    $mail->Username   = $_MAIL['username'];                     //SMTP username
    $mail->Password   = $_MAIL['password'];                               //SMTP password
    $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;         //Enable TLS encryption; `PHPMailer::ENCRYPTION_SMTPS` encouraged
    $mail->Port       = 587;                                    //TCP port to connect to, use 465 for `PHPMailer::ENCRYPTION_SMTPS` above

    //Recipients
    $mail->setFrom('no-reply-sems@brookes.ac.uk', 'SEMS');
    $mail->addAddress('bywater30@gmail.com', 'louise');     //Add a recipient
//    $mail->addAddress('ellen@example.com');               //Name is optional
//    $mail->addReplyTo('info@example.com', 'Information');
//    $mail->addCC('cc@example.com');
//    $mail->addBCC('bcc@example.com');

    //Attachments
//    $mail->addAttachment('/var/tmp/file.tar.gz');         //Add attachments
//    $mail->addAttachment('/tmp/image.jpg', 'new.jpg');    //Optional name

    //Content
    $mail->isHTML(true);                                  //Set email format to HTML
    $mail->Subject = 'This is a test subject';
    $mail->Body    = 'Please work... <b>is this bold?</b>';
    $mail->AltBody = 'If you have an old email client that doesn\'t support HTML, you should see this.';

    $mail->send();
    echo 'Message has been sent';
} catch (Exception $e) {
    echo "Message could not be sent. Mailer Error: {$mail->ErrorInfo}";
}

?>