1.First you need to purchase the license and then you have to download the component to the server.
2.Once you have the component downloaded on your server, unzip it’s files in a temporary directory on the server.
3.Now copy the ‘smtpsvg.dll’ file to the directory system32 located in c:\winnt or c:\windows
4.Open a command prompt window.
5.Type cd\windows\system32 cd\winnt\system32 to change directory to the system32
6.Type regsvr32 smtpsvg.dll to register the ASPMail Component.
7.close the cmd prompt window by typing exit.