This bundle is released under the MIT license

Add the following line to your composer.json require block:

// composer.json
{
    // ...
    require: {
        // ...
        "xxam/mailclientbundle": "dev-master"
    }
}

Then, you can install the new dependencies by running Composer's update command from the directory where your composer.json file is located:

$ php composer.phar update

Modify your AppKernel with the following line:

<?php
// in AppKernel::registerBundles()
$bundles = array(
    // ...
    new Xxam\MailclientBundle\XxamMailclientBundle(),
    // ...
);