[Support Policy] Support policy for Microsoft Exchange APIs with the .NET Framework applications

http://support.microsoft.com/kb/813349

API DLL Name Managed Code Support Policy
System.Web.Mail   Supported
WebDAV   Supported
WMI   Supported
CDOSYS CDOSYS.DLL Supported, but System.Web.Mail is recommended
CDOEXM CDOEXM.DLL Supported by using a COM interop assembly
EXOLEDB   Supported by using a COM interop assembly
CDOEX CDOEX.DLL Supported by using a COM interop assembly
CDO 1.2x CDO.DLL Not Supported
CDONTS CDONTS.DLL Not Supported
MAPI MAPI32.DLL Not Supported
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ESE Backup API ESEBCLI2.DLL Not Supported