Via [Carlos Segura Sanz] found on http://sharepointblogs.com/remcoploeg/archive/2006/01/27/4854.aspx
A great example how to query an exchange server from a sharepoint content webpart:
We can use asynchronous data retrieval, inside of a WebContent webpart, this is a little sample of how to do it.
Part 1
Querying an exchange server and retry results inside of sharepoint webpart, this first sample use the Search web dav method using XMLHTTP request (Exchange Store WebDAV Protocol), query the last five elements from user inbox and gets the date received, the sender name and the subject.See Carlos his site for more information
[SharePoint Blogs]
