下面这篇文章中描述的步骤, 经过笔者测试通过.
该文图文并茂, 描述清晰.
读者请注意, 配这种功能的时候, 切忌浮躁. 慢慢做.
否则, 万一哪一步没看准, 配错了, 排查起来更加浪费时间.
Configuring incoming email in SharePoint 2010 with Exchange – Step by Step Guide
http://sharepointgeorge.com/2010/configuring-incoming-email-sharepoint-2010/