Are there any PHP libraries or frameworks specifically designed for managing email forwarding to groups efficiently and securely?

Managing email forwarding to groups efficiently and securely can be achieved by using PHP libraries or frameworks that provide features for handling email routing, filtering, and forwarding. One such library that can help with this task is PHPMailer, which allows you to send emails securely and efficiently. Additionally, using a framework like Laravel can provide built-in functionalities for managing email forwarding to groups.

// Example using PHPMailer to forward emails to a group securely
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

// Load Composer's autoloader
require 'vendor/autoload.php';

// Instantiation and passing `true` enables exceptions
$mail = new PHPMailer(true);

try {
    //Server settings
    $mail->isSMTP(); // Send using SMTP
    $mail->Host = 'smtp.example.com'; // Set the SMTP server to send through
    $mail->SMTPAuth = true; // Enable SMTP authentication
    $mail->Username = 'user@example.com'; // SMTP username
    $mail->Password = 'secret'; // SMTP password
    $mail->SMTPSecure = 'tls'; // Enable TLS encryption
    $mail->Port = 587; // TCP port to connect to

    //Recipients
    $mail->setFrom('from@example.com', 'Mailer');
    $mail->addAddress('group@example.com'); // Add a recipient

    // Content
    $mail->isHTML(true); // Set email format to HTML
    $mail->Subject = 'Forwarded email subject';
    $mail->Body = 'This is the HTML message body';

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