The SMTP (Simple Mail Transfer Protocol) service is not available as a server role in IIS 7.0, it is a server feature managed through IIS 6.0.
* NNTP (Network News Transfer Protocol) больше не является частью Internet Information Services 7.0Большинство изданий Windows Server 2008 доступны в версиях x64 (64-bit) и x86 (32-bit) .