Symfony Email Test Script

email.php

<?php

use Symfony\Component\Debug\Debug;

$loader = require_once __DIR__.'/../app/bootstrap.php.cache';
Debug::enable();

require_once __DIR__.'/../app/AppKernel.php';

$kernel = new AppKernel('dev', true);
$kernel->loadClassCache();
$kernel->boot();

$mailer = $kernel->getContainer()->get('mailer');

$message = \Swift_Message::newInstance()
    ->setSubject('Test Email')
    ->setFrom('emran.hasan@gmail.com')
    ->setTo('test@gmail.com')
    ->setBody('This is a test email.', 'text/html');

$mailer->send($message);