This Post is part of SharePoint 2010 Installation Series

1. Click Start, point to Administrative Tools, and then click Server Manager.
2. In the features Tab Select Add Features
   
3. Select SMTP Server and Add Required Role Services

 

1. Click Next Next Install
2. After Click Start, point to Administrative Tools, and then click (IIS) 6.0 Manager
3. Right click [SMTP Virtual Server #1] and choose properties
4. Select Access Tab and then click Relay
5. Click add
   1. IP address : 127.0.0.1 , click ok