Configuring email with gmail

1) Create an app password here

2) edit your configuration file:

 'mail' => [
                'fromName' => 'Joe',
                'fromEmail' => 'joe@example.com',
                'smtp' => [
                        'server' => 'smtp.gmail.com',
                        'port' => 587,
                        'security' => 'tls',
                        'username' => 'joe@example.com',
                        'password' => 'app-password'
                ]
        ],