Google DMAC support has been sending me dkim report in zip file containing the mail authentication status. I notice that DKIM result is always fail despite following the steps in Zoho documentation:

<?xml version="1.0" encoding="UTF-8" ?>

<feedback>

  <report_metadata>

    <org_name>google.com</org_name>

    <email>noreply-dmarc-support@google.com</email>

    <extra_contact_info>https://support.google.com/a/answer/2466580</extra_contact_info>

    <report_id>3284131237450447776</report_id>

    <date_range>

      <begin>1495670400</begin>

      <end>1495756799</end>

    </date_range>

  </report_metadata>

  <policy_published>

    <domain>zoralab.com</domain>

    <adkim>r</adkim>

    <aspf>r</aspf>

    <p>none</p>

    <sp>quarantine</sp>

    <pct>100</pct>

  </policy_published>

  <record>

    <row>

      <source_ip>[removed for protecting the IP]</source_ip>

      <count>1</count>

      <policy_evaluated>

        <disposition>none</disposition>

        <dkim>fail</dkim>

        <spf>pass</spf>

      </policy_evaluated>

    </row>

    <identifiers>

      <header_from>zoralab.com</header_from>

    </identifiers>

    <auth_results>

      <dkim>

        <domain>zoralab.com</domain>

        <result>fail</result>

        <selector>mail</selector>

      </dkim>

      <spf>

        <domain>zoralab.com</domain>

        <result>pass</result>

      </spf>

    </auth_results>

  </record>

</feedback>

Is there a way to make it pass? Currently, I do not have any issue sending or receiving email.

Thanks.