How to Configure SMTP on Windows Server 2008

Hi Folks I am new to SharePoint and I have done this SMTP configuration and outgoing mail sending set up for my new project. I have done this using lots of researching in web, I would like to share what I have learned, so those who want to do the same it will be a help.
I am going to explain it in 2 steps.
Step 1:
go to server manager(Administrative Tools>Server Manager)
click on features menu in the LHS,then you can see the add features button click on that then it will a open a window like this.
Select the SMTP server from it and Install it. for checking SMTP configuration we need telnet client also so please install that one also.
Step 2:

Then go to  IIS 6 Manager, you can see the SMTP virtual server, please start the server if its not started
Go to properties of the SMTP virtual server and it will open a window like this

select your IP address in that drop down box,go to access tab>inside authentication check anonymous access is checked or not.
Now Click on the relay tab It will open a window like this, check the options you have selected correctly or not.

Save all settings Now you have successfully configured your SMTP server.
verify your SMTP configuration is working or not.
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