RainLab\User\Models\Settings::initSettingsData PHP Method

    public function initSettingsData()
    {
        $this->require_activation = true;
        $this->activate_mode = self::ACTIVATE_AUTO;
        $this->use_throttle = true;
        $this->block_persistence = false;
        $this->allow_registration = true;
        $this->welcome_template = 'rainlab.user::mail.welcome';
        $this->login_attribute = self::LOGIN_EMAIL;
    }