trends/worklife/service/common/config/main-local.php

<?php
return [
    'components' => [
        'db' => require(__DIR__ . '/db.php'),
        'dbXcrm' => require(__DIR__ . '/db-xcrm.php'),
        'redis' => require(__DIR__ . '/redis.php'),
        'mailer' => [
            'class' => 'yii\swiftmailer\Mailer',
            'viewPath' => '@common/mail',
            // send all mails to a file by default. You have to set
            // 'useFileTransport' to false and configure a transport
            // for the mailer to send real emails.
            'useFileTransport' => true,
        ],
    ],
];