How To Trace An Email?

We can trace Email using its header, each email contains header.

In Gmail for Header click on down arrow near to reply (See the screenshot).

In Yahoo, Go to Actions>Full Headers
Mainly Header Field consists of:
• From: Email Address where the Email has come from.
• To: Email Address of the destination.
• Subject: Subject of the Email
• Date: The Local Time of the server when the message was sent.
• Bcc: Blind Carbon Copy
• Cc: Carbon copy
• Content-Type: Information about how the message has to be displayed, usually a MIME type
• In-Reply-To: Message-ID of the message that this is a reply to.
• Received: Tracking information generated by mail servers that have previously handled a message
• References: Message-ID of the message that this is a reply to, and the message-id of this message
• Reply-To: Address that should be used to reply to the sender.
Locate the IP address under Received: & then go to ip2location.com for finding the address of the sender. In yahoo you can check it under X-Originating-IP.