If you ever want to find out if someone you know, is trying to trick you by using a different name and e-mail address, here is the perfect site to check it out . http://www.emailfinderpro.com
You can plug in their e-mail address and it gives you the IP address it is from for free! Here’s an example-
Search Results For lostbutterflyXXX
Database Record: #429738440
Company: Yahoo!
IP Address: 209.131.36.XXX
Location: Sunnyvale, CA
Search Results For waynemcdanXXX
Database Record: #429738440
Company: Yahoo!
IP Address: 209.131.36.XXX
Location: Sunnyvale, CA
I put some X’s in to not give away the information of the person.
So these two e-mail addresses come from the same computer, and chances are the same person.