Yii swiftmailer config

main.php

<?php
return [
  'vendorPath' => dirname(dirname(__DIR__)) . '/vendor',
  'components' => [
    'cache' => [
      'class' => 'yii\caching\FileCache',
    ],
    'authManager' => [
      'class' => 'yii\rbac\DbManager',
    ],
    'mailer' => [
      'class' => 'yii\swiftmailer\Mailer',
      'viewPath' => '@common/mail',
      'useFileTransport' => false,
      'transport' => [
        'class' => 'Swift_SmtpTransport',
        'host' => 'smtp.mandrillapp.com',
        'username' => '[email protected]',
        'password' => '***',
        'port' => '587',
      ],
    ],
  ],
];