1. Log into your Hotmail account with your username and password.
2. Click on the Mail tab on the top.
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 Mail Display Settings
• In Message Headers, make sure Advanced option is checked
• Click on Ok button
• Go back to the mails and open that mail

5. You should see the email headers now.
6. manually find the IP address, proceed to 7.
7. If you find a header with X-Originating-IP: followed by an IP address, that is the sender’s IP address

Hotmail headers

In this case the IP address of the sender is [68.34.60.59].
8. If you find a header with Received: from followed by a Gmail proxy like this
Hotmail headers

Look for Received: from followed by IP address within square brackets[
In this case, the IP address of the sender is [69.140.7.58].
9. Or else if you have headers like this

Hotmail headers

Look for Received: from followed by IP address within square brackets[].
In this case, the IP address of the sender is [61.83.145.129] (Spam mail).
10. If you have multiple Received: from headers, eliminate the ones that have proxy.anyknownserver.com.
11. Track the IP address of the sender