Module.php

<?php

namespace Zf2Base;

use Zend\Mvc\MvcEvent;
use Zend\ModuleManager\ModuleManager;

use Zend\Mail\Transport\Smtp as SmtpTransport;
use Zend\Mail\Transport\SmtpOptions;

class Module
{
	public function getConfig()
    {
        return include __DIR__ . '/config/module.config.php';
    }

    public function getAutoloaderConfig()
    {
        return array(
            'Zend\Loader\StandardAutoloader' => array(
                'namespaces' => array(
                    __NAMESPACE__ => __DIR__ . '/src/' . __NAMESPACE__,
                ),
            ),
        );
    }

    public function getServiceConfig()
    {
        return array(
            'factories' => array(
                'Zf2Base\Mail\Transport' => function($sm) {
                    $config = $sm->get('Config');
                    
                    $transport = new SmtpTransport;
                    $options = new SmtpOptions($config['mail']);
                    $transport->setOptions($options);
                    
                    return $transport;
                }
            )
        );
    }
}