Installation ============ Step 1: Download the Bundle --------------------------- Open a command console, enter your project directory and execute the following command to download the latest stable version of this bundle: .. code-block:: bash $ composer require symfony/swiftmailer-bundle "~2.3" This command requires you to have Composer installed globally, as explained in the `installation chapter`_ of the Composer documentation. Step 2: Enable the Bundle ------------------------- Then, enable the bundle by adding it to the list of registered bundles in the ``app/AppKernel.php`` file of your project: .. code-block:: php <?php // app/AppKernel.php // ... class AppKernel extends Kernel { public function registerBundles() { $bundles = array( // ... new Symfony\Bundle\SwiftmailerBundle\SwiftmailerBundle(), ); // ... } // ... } .. _`installation chapter`: https://getcomposer.org/doc/00-intro.md