How to use the swiftMailer in Yii2

Question

I can\'t finally understand how to use the swiftMailer extension in Yii2. Judging by that on this subject I didn\'t find questions, the task is trivial, but up to the end I

Answer 1

Actually, you have to use config key mailer instead of mail.

'components' => [
...
    'mailer' => [
        'class' => 'yii\swiftmailer\Mailer',
        'transport' => [
            'class' => 'Swift_SmtpTransport',
            'host' => 'localhost',
            'username' => 'username',
            'password' => 'password',
            'port' => '587',
            'encryption' => 'tls',
        ],
    ],
...
],