Heard SO?? Quite interesting right??…It is simple….register here
http://www.readnotify.com/readnotify/
What u need to do,
Simply add: .readnotify.com to the end of your recipients email address
This gives Date and time opened,Location of recipient (per their ISP city /town),Map of location,Recipients IP address,Apparent email address of opening (if available),Referrer details (ie; if accessed via web mail etc),URL clicks,How long the email was read for,How many times your email was opened,if your email was forwarded, or opened on a different computer..etc
Whenever the other user opens it, You get the whole information of the user…
Ok, could have been better