FREEWARE DOWNLOAD!   21Century-MxSearch

This is a great windows Spam Tracking Tool that will help you find  the mail servers that a website uses.  If you are trying to track down a spammer manually, plug in the website from the header of the message you are analyzing and MxSearch will show you all the servers.  When the program starts, "Yahoo.com" is displayed ... just so you can see the results.  Click the Search Button and the display should look like that below!.   I know you will find ths tool useful.  Enjoy!

<---- Click on this image to download your copy!