>>>Are the UT folders working?
>>>
>>>I have been trying to retrieve some saved messages and also creating a new folder, but I can only get to a blank page each time or a "Page cannot be displayed" error.
>>>
>>>Is anybody else experiencing this?
>>
>>That is subject to the same requirement as any other external list. Are you able to work with other lists such as the Toledo Wish List?
>
>I just tried that and it's the same thing. Where can I read about these requirements?

In the Technical Guideline http://www.levelextreme.com/TechnicalGuideline.asp.

There is a section about proxy.