Prash: I ran YOUR code in my machine and it sent the entire ~5MB buffer. Several times. I showed you the final piece of data that it sent to visualize that.

I have not seen a client-side problem here. I do not think confusing matters and adding Florian's problem to the mix will help you Prash. The question is still what the server does when it has received the 5MB and why it doesn't send a response. Your server logs should probably tell you something.

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** [bugs:#1460] Longer Voice Message not being posted to Exchange Server with curl release version >=7.24 using SSL(https)**
**Status:** pending-invalid
**Created:** Fri Dec 05, 2014 05:29 AM UTC by Prash Dush
**Last Updated:** Mon Dec 29, 2014 05:25 PM UTC
**Owner:** Daniel Stenberg
Hi Team,
With reference to the following query:
http://curl.haxx.se/mail/lib-2014-12/0011.html
I have written a sample client as a proof of concept that does the POST request for sending a voice message of 5MB.
My application works fine with curl version 7.23.1 while it does not work with 7.24 version.
I have even tried with latest curl version 7.39 but problem is still reproducible.
Attached is sample application code along with 32 bit executable.
Three files are attached in sample_client.zip.
(1) curl-client.cpp
(2) sconstruct   ( sort of makefile )
(3) SampleClient  : ELF 32-bit LSB executable
   Only thing you need is to have 32 bit compiled curl i.e. libcurl.so.4  placed at any Linux box at path /root/
   Try it with different curl versions 7.23.1(works fine) and 7.39 (doesn't work)
 Command Line Arguement for this File
 argv[1] --> Exchange server(2007)  hostname                   :     https://<<hostname>>
 argv[2] --> UserSMTPaddress with Mailbox on Exchange  :     some_user_at_hostname.com
 argv[3] --> PassWord                                                     :     domain\admin:password
  
  How to run:
 ./SampleClient https://hostname.com some_user@hostname.com domain\\admin:password
Here is the Log enabled output for the post request with curl 7.24 ,it just times-out
-----------------------------------------------------------------------------------------------------------------------
* About to connect() to hostname.com port 443 (#0)
*   Trying 10.81.215.16...
* connected
* Connected to hostname.com (10.76.215.16) port 443 (#0)
* successfully set certificate verify locations:
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* SSL connection using AES128-SHA
* Server certificate:
*        subject: CN=WIN-R0E6EKCRI4H
*        start date: 2014-10-02 12:01:26 GMT
*        expire date: 2019-10-02 12:01:26 GMT
*        issuer: CN=WIN-R0E6EKCRI4H
*        SSL certificate verify result: unable to get local issuer certificate (20), continuing anyway.
* Server auth using Basic with user 'newexchange\administrator'
> POST /EWS/Exchange.ASMX HTTP/1.1
Authorization: Basic bmV3ZXhjaGFuZ2VcYWRtaW5pc3RyYXRvcjpFY3NidWxhYjI=
User-Agent: Sample Client
Host: hostname..com
Accept: */*
Content-Type: text/xml
Content-Length: 8760991
Operation timed out after 15000 milliseconds with 0 bytes received
* Closing connection #0
* Timeout was reached
Please try it your end and if required  we can have live troubleshooting session.
Let me know your availability I am available from 9.00 A.M IST - 7 P.M. IST
Thanks 
Dushyant
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