Send mail by Yii 2

Send mail by Yii 2

    Here is my config
    2. 'mailer' => [
    3.             'class' => 'yii\swiftmailer\Mailer',
    4.             'viewPath' => '@common/mail',
    5.             'transport' => [
    6. 'class' => 'Swift_SmtpTransport',
    7. 'host' => 'smtp.zoho.com', 
    8. 'username' => 'admin@p2code.com', 
    9. 'password' => '***',
    10. 'port' => '587',
    11. 'encryption' => 'tls',
    12. ],
    13.         ],

    and get error: Failed to authenticate on SMTP server with username " admin@p2code.com" using 2 possible authenticators