$ curl --ntlm -u {REDACTED} https://owa.{REDACTED}/ews/Exchange.asmx -d @req.xml -H "Content-Type: text/xml" -v
* About to connect() to owa.{REDACTED} port 443 (#0)
*   Trying {REDACTED (ip addr)}...
* Adding handle: conn: 0xa87680
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0xa87680) send_pipe: 1, recv_pipe: 0
* Connected to owa.{REDACTED} ({REDACTED}) port 443 (#0)
* found 157 certificates in /etc/ssl/certs/ca-certificates.crt
* 	 server certificate verification OK
* 	 common name: owa.{REDACTED} (matched)
* 	 server certificate expiration date OK
* 	 server certificate activation date OK
* 	 certificate public key: RSA
* 	 certificate version: #3
* 	 subject: {REDACTED}
* 	 start date: Tue, 06 Aug 2013 14:56:16 GMT

* 	 expire date: Sun, 31 Aug 2014 22:59:00 GMT

* 	 issuer: {REDACTED}
* 	 compression: NULL
* 	 cipher: ARCFOUR-128
* 	 MAC: MD5
* Server auth using NTLM with user '{REDACTED}'
> POST /ews/Exchange.asmx HTTP/1.1
> Authorization: NTLM {REDACTED}
> User-Agent: curl/7.32.0
> Host: owa.{REDACTED}
> Accept: */*
> Content-Type: text/xml
> Content-Length: 0
> 
< HTTP/1.1 401 Unauthorized
< Content-Length: 1539
< Content-Type: text/html
* Server Microsoft-IIS/6.0 is not blacklisted
< Server: Microsoft-IIS/6.0
< WWW-Authenticate: NTLM {REDACTED}
< X-Powered-By: ASP.NET
< Date: Fri, 13 Sep 2013 22:24:01 GMT
< 
* Ignoring the response-body
* Connection #0 to host owa.{REDACTED} left intact
* Issue another request to this URL: 'https://owa.{REDACTED}/ews/Exchange.asmx'
* Found bundle for host owa.{REDACTED}: 0xa51b00
* Re-using existing connection! (#0) with host owa.{REDACTED}
* Connected to owa.{REDACTED} ({REDACTED}) port 443 (#0)
* Adding handle: conn: 0xa87680
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0xa87680) send_pipe: 1, recv_pipe: 0
* Server auth using NTLM with user '{REDACTED}'
> POST /ews/Exchange.asmx HTTP/1.1
> Authorization: NTLM {REDACTED}
> User-Agent: curl/7.32.0
> Host: owa.{REDACTED}
> Accept: */*
> Content-Type: text/xml
> Content-Length: 41610
> Expect: 100-continue
> 
< HTTP/1.1 100 Continue
< HTTP/1.1 200 OK
< Date: Fri, 13 Sep 2013 22:24:01 GMT
* Server Microsoft-IIS/6.0 is not blacklisted
< Server: Microsoft-IIS/6.0
< X-Powered-By: ASP.NET
< X-AspNet-Version: 2.0.50727
< Cache-Control: private, max-age=0
< Content-Type: text/xml; charset=utf-8
< Content-Length: 41484
< 
<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Header><t:ServerVersionInfo MajorVersion="8" MinorVersion="3" MajorBuildNumber="279" MinorBuildNumber="1" Version="Exchange2007_SP1" xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types" /></soap:Header><soap:Body><m:SyncFolderItemsResponse xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages"><m:ResponseMessages><m:SyncFolderItemsResponseMessage ResponseClass="Success"><m:ResponseCode>NoError</m:ResponseCode><m:SyncState>H4sIAAA(...)</m:SyncState><m:IncludesLastItemInRange>true</m:IncludesLastItemInRange><m:Changes /></m:SyncFolderItemsResponseMessage></m:ResponseMessages></m:SyncFolderItemsResponse></soap:Body></soap:Envelope>
