How to tell if an email is forged

How to tell if an email is forged

1. View the full header of the email in question.
2. From the last Received" line of the full header, take note of the originating IP address.
   - This corresponds with the sender's Internet Service Provider (ISP).
3. Conduct an IP lookup through a site like WhoIs.net to determine which ISP provides the sender with Internet access.
4. Contact the sender's ISP to request that appropriate action be taken.