In what situations would it be more appropriate to use a Mail class with SMTP-Auth over the built-in mail() function in PHP for sending emails in a browser game application?

When sending emails in a browser game application, it would be more appropriate to use a Mail class with SMTP-Auth over the built-in mail() function in PHP if you need to send emails through a secure SMTP server that requires authentication. This is especially important when sending emails with sensitive information or when dealing with email providers that require secure authentication methods. 

// Using a Mail class with SMTP-Auth for sending emails in a browser game application
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require 'vendor/autoload.php';

// Create a new PHPMailer instance
$mail = new PHPMailer(true);

try {
    // Server settings
    $mail->isSMTP();
    $mail->Host = 'smtp.example.com';
    $mail->SMTPAuth = true;
    $mail->Username = 'your@example.com';
    $mail->Password = 'your_password';
    $mail->SMTPSecure = 'ssl';
    $mail->Port = 465;

    // Recipient
    $mail->setFrom('from@example.com', 'From Name');
    $mail->addAddress('recipient@example.com', 'Recipient Name');

    // Content
    $mail->isHTML(true);
    $mail->Subject = 'Subject';
    $mail->Body = 'Email body';

    // Send email
    $mail->send();
    echo 'Email sent successfully';
} catch (Exception $e) {
    echo 'Message could not be sent. Mailer Error: ' . $mail->ErrorInfo;
}

Keywords

Mail class SMTP-Auth mail() function PHP browser game application

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