Hi all,
We've got an odd one here.
Windows 2003 SP1, IIS6 running with PHP 5.1.4 as an ISAPI module.
Form submission method is POST, and the data is coming from a form
inside outlook 2003 (although 2000 and 2002 versions exhibit the same issue).
The issue is this:
Around 10% to 15% of the time PHP will not populate the $_POST
variable when the form is submitted from Outlook.
Things we have figured out:
1) PHP 5.1.4 is the most reliable (5.0.5 is terrible on this, 5.1.2
is somewhere in between).
2) Outlook is always POSTing the data to the web server (I used a
packet sniffer to make sure of this).
3) It *always* works if we submit to an ASP handler page on the same
IIS server.
4) We've ruled out any network devices (such as firewalls) by running
a test webserver inside our firewall (again, 2003 SP1 with IIS6 and PHP 5.1.4)
5) The $_POST variable is always populated if submitting from a web
browser, or a web based email client.
6) The failure sequence is random - sometimes you can submit 15 times
in a row correctly, sometime it will fail on the first attempt.
7) We have made a test form HTML (for sending in an email) and a test
handler (which does print_r($_POST); and nothing else) - we can see
failures even with that - files can be sent on request.
I've been going mad over this ... any help would be appreciated.
Thanks
Jason
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