Chapter 2, Problem R20RQ

Explanation of Solution

Examining header of a message:

“Yes”, one should be able to see the sender's IP address for a user with an .edu email address, but he or she will not be able to see the sender's IP address if the user uses a Gmail account.

An .edu email address represents a domain name which belongs to most educational universities.

Example:

Let an email address be: Stephen.s@stanford.edu.in.

Here, as Stanford is an educational institute, it uses .edu domain name...