activesync autodiscover

gistfile1.txt

curl --basic -X "POST" -u XXX@YYY -v https://autodiscover-s.outlook.com/autodiscover/autodiscover.xml  -H "Content-Type: text/xml" -d @a.txt

<?xml version="1.0" encoding="utf-8"?>
<Autodiscover xmlns="http://schemas.microsoft.com/exchange/autodiscover/mobilesync/requestschema/2006">
    <Request>
        <EMailAddress>XXXXXXXXX</EMailAddress>
        <AcceptableResponseSchema>http://schemas.microsoft.com/exchange/autodiscover/mobilesync/responseschema/2006</AcceptableResponseSchema>
    </Request>
</Autodiscover>

gives:
<?xml version="1.0" encoding="utf-8"?>
<Autodiscover xmlns="http://schemas.microsoft.com/exchange/autodiscover/responseschema/2006">
  <Response xmlns="http://schemas.microsoft.com/exchange/autodiscover/mobilesync/responseschema/2006">
    <Culture>en:us</Culture>
    <User>
      <DisplayName>XXXXXXXX</DisplayName>
      <EMailAddress>XXXXXXXXXX</EMailAddress>
    </User>
    <Action>
      <Settings>
        <Server>
          <Type>MobileSync</Type>
          <Url>https://outlook.office365.com/Microsoft-Server-ActiveSync</Url>
          <Name>https://outlook.office365.com/Microsoft-Server-ActiveSync</Name>
        </Server>
      </Settings>
    </Action>
  </Response>

curl --http1.1 --basic -X "OPTIONS" -u XXXX:YYYY -v https://outlook.office365.com/Microsoft-Server-ActiveSync  -H "Content-Type: application/vnd.ms-sync.wbxml" -H "MS-ASProtocolVersion: 14.0"   --output -