public function toLdapArray()
    {
        return [
            'exchange_homemdb' => $this->container.','.$this->baseDn,
            'exchange_proxyaddress' => 'SMTP:'.$this->emailAddress,
            'exchange_mailnickname' => $this->mailNickname,
            'exchange_usedefaults' => $this->mdbUseDefaults,
        ];
    }