问题
It seems that in IIS 7 (7.5, Windows Server 2008 R2) the SMTP virtual server is a second-class citizen, only being configurable through the IIS 6.0 compatibility-mode management tool. This arrangement leads me to wonder whether the SMTP virtual server is deprecated, or otherwise "on it's way out".
Is this accurate? Is the SMTP virtual server shipped with IIS being phased out? Is there a replacement on its way in?
回答1:
TL;DR from here: Yes, it's gone. You can install IIS 6 SMTP server, but it sucks. Far better to use something like hMailServer which is free and works great.
来源：https://stackoverflow.com/questions/6429747/is-the-smtp-virtual-server-deprecated-in-iis-7