Add as a component in Yii config files either it could be `main.php` or `console.php` (not tested yet)
```php
<?php
// ...
[...]
```php
<?php
$r = Yii::app()->mailgun->send($model->email, 'Hello',
"<p>Testing from Main App, for some <small style=\"color: green;\">awesomness</span>!</p>");
if($r) {
$r = json_decode($r);