When you receive an email, you receive more than just the message. The email comes withheaders that carry important information that can tell where the email was sent from andpossibly who sent it. For that, you would need to find the IP address of the sender. Thetutorial below can help you find the IP address of the sender. Note that this will not workif the sender uses anonymous proxy servers.

Finding IP address in Yahoo! Mail :-

                 1. Log into your Yahoo! mail with your username and password.

                 2. Click on Inbox or whichever folder you have stored your mail.

                 3. Open the mail.
                 4. If you do not see the headers above the mail message, your headers are not displayed. Todisplay the headers,Click on  Options on the top-right corner In the Mail Options page, click on General Preferences  Scroll down to Messages where  you have the Headers option Make sure that Show all headers on incoming messages is selected  Click on the Save  button Go back to the mails and open that mail.

5. You should see similar headers like this:Yahoo! headers : nameLook for Received: from followed by the IP address between square brackets [ ]. Here, it is 202.65.138.109.That isbe the IP address of the sender!


6. Track the IP address of the sender