[imp] XML-RPC woes

[MIlos Prudek]

Why does the following http POST request fail, if password, userID and data 
are correct? Is the XML structure incorrect?

MY REQUEST:
--------------------------------------------
POST /horde/rpc.php HTTP/1.0 
Host: www.orl.cz 
User-Agent: xmlrpclib.py/1.0.1 (by www.pythonware.com) 
Content-Type: text/xml 
Content-Length: 476 
 
<?xml version='1.0'?>
<methodCall>
<methodName>imp.authenticate</methodName>
<params>
<param>
<value><struct>
<member>
<name>credentials</name>
<value><string>SECRET</string></value>
</member>
<member>
<name>userID</name>
<value><string>webmaster</string></value>
</member>
<member>
<name>params</name>
<value><struct>
<member>
<name>server</name>
<value><string>imap1</string></value>
</member>
</struct></value>
</member>
</struct></value>
</param>
</params>
</methodCall>

HORDE'S RESPONSE:
----------------------------------------------
HTTP/1.1 401 Unauthorized 
Date: Thu, 15 Jun 2006 09:01:40 GMT 
Server: Apache/2.0.48 (Linux/SuSE) 
X-Powered-By: PHP/4.3.3 
Set-Cookie: Horde=5b4765e5925a6609ba487354a99c03a7; path=/horde; 
domain=www.orl.cz 
Expires: Thu, 19 Nov 1981 08:52:00 GMT 
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 
Pragma: no-cache 
WWW-Authenticate: Basic realm="Horde RPC" 
Vary: Accept-Encoding,User-Agent 
Connection: close 
Content-Type: text/html; charset=ISO-8859-1 
 
401 Unauthorized



-- 
Milos Prudek