TRACE THE ORIGIN OF YOUR EMAIL

When you receive a email saying it come from London or USA you will be confused whether it really came from that location.The best way to verify it is to check with the IP from which it is was received.To know the IP from which the email is received use the following steps.

GMAIL
In gmail open the message and click the inverted triangle above the message and click show original.You can see the IP from which the email is received.

YAHOO
In yahoo click the see full header option to see the IP from which it is received.

Using the IP just search it with google to see the location or goto the url http:\\www.whatismyipaddress.com and click IP lookup to see the location.