Are there any best practices or recommended libraries for handling email functionality in PHP scripts within Joomla?

When handling email functionality in PHP scripts within Joomla, it is recommended to use Joomla's built-in mail functions to ensure compatibility and security. The JFactory class provides a convenient way to send emails using Joomla's email settings.

// Load Joomla framework
define('_JEXEC', 1);
define('JPATH_BASE', __DIR__);
require_once JPATH_BASE . '/includes/defines.php';
require_once JPATH_BASE . '/includes/framework.php';

// Get Joomla mailer object
$mailer = JFactory::getMailer();

// Set sender
$mailer->setSender('sender@example.com');

// Set recipient
$mailer->addRecipient('recipient@example.com');

// Set subject
$mailer->setSubject('Test email');

// Set body
$mailer->setBody('This is a test email from Joomla.');

// Send email
$sent = $mailer->send();

if ($sent !== true) {
    echo 'Error sending email: ' . $sent->getMessage();
} else {
    echo 'Email sent successfully.';
}