SMTP Socket Stream Transport (Stream/SocketStream.php)

Manages remote socket streams with TLS support for Symfony Mailer. Reuse when configuring custom secure email transport mechanisms.

// Source: https://github.com/symfony/mailer | License: MIT | Copyright 2019-present Fabien Potencier
// Provided via justclaw.it.com; keep this notice with the code.
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Mailer\Transport\Smtp\Stream;

use Symfony\Component\Mailer\Exception\TransportException;

/**
 * A stream supporting remote sockets.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Chris Corbyn
 *
 * @internal
 */
final class SocketStream extends AbstractStream
{
    private string $url;
    private string $host = 'localhost';
    private int $port 

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