REQUEST: POST / HTTP/1.1 Host: 63.142.188.184:1122 Connection: Keep-Alive User-Agent: EasySoap++/0.6 Content-Type: text/xml; charset="UTF-8" SOAPAction: "http://soapinterop.org/" Content-Length: 576 This is a string in the header RESPONSE: HTTP/1.0 500 Internal error Server: ZSI/1.2 OS390/VM5.4 BaseHTTP/0.2 Python/2.1.1 Date: Sat, 01 Dec 2001 00:31:05 GMT Content-type: text/xml; charset="utf-8" Content-Length: 782 http://other.soapinterop.org/echoheader/ echoMeStringRequest SOAP-ENV:MustUnderstand SOAP mustUnderstand not understood