This article is a part of a series describing the installation of Microsoft Office SharePoint Server 2007 (MOSS) on a Windows Server 2008 with the newly released SQL Server 2008. Please have a look at "Installing MOSS 2007 on Windows Server 2008 and SQL Server 2008 - Part 1: Overview".

Hmm, where was that POP3 server role? Or was it a feature? It doesn't exist any more... POP3 has been deprecated and is no longer part of Windows Server. You have to use an alternative like Microsoft Exchange Server 2007 or something from the cloud... (Did I say that loud?)