Mailer.php

<?php

namespace panix\engine;

use Yii;
use panix\engine\console\Application as ConsoleApplication;

class Mailer extends \yii\swiftmailer\Mailer
{

    public function init()
    {
        $config = Yii::$app->settings->get('app');
        if (isset($config)) {
            if (strpos($config->mailer_transport_smtp_username, '@') !== false) {
                $sender = $config->mailer_transport_smtp_username;
            } else {
                $host = (Yii::$app instanceof ConsoleApplication) ? "noHost" : str_replace('www.', '', Yii::$app->request->getHostName());
                $sender = 'no-reply@' . $host;
            }
            $this->messageConfig['from'] = [$sender => (!empty($config->mailer_sender_name)) ? $config->mailer_sender_name : $config->sitename];
            //$this->useFileTransport = true;
            if (isset($config->mailer_transport_smtp_enabled) && $config->mailer_transport_smtp_enabled) {
                $transport['class'] = 'Swift_SmtpTransport';
                $transport['host'] = isset($config->mailer_transport_smtp_host) ? $config->mailer_transport_smtp_host : 'localhost';
                $transport['username'] = isset($config->mailer_transport_smtp_username) ? $config->mailer_transport_smtp_username : '';
                $transport['password'] = isset($config->mailer_transport_smtp_password) ? $config->mailer_transport_smtp_password : '';
                $transport['port'] = isset($config->mailer_transport_smtp_port) ? $config->mailer_transport_smtp_port : '';
                $transport['encryption'] = isset($config->mailer_transport_smtp_encryption) ? $config->mailer_transport_smtp_encryption : '';
                $this->setTransport($transport);
            }
        }
        $this->getView()->renderers = Yii::$app->getView()->renderers;
        parent::init();
    }
}