Trace IP Address of the sender 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 . To display 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