Look over your received e-mails, and examine the header of a message sent from a user with a .edu e-mail address. Is it possible to determine from the header the IP address of the host from which the...

Look over your received e-mails, and examine the header of a message sent from a user

with a .edu e-mail address. Is it possible to determine from the header the IP address of the host

from which the message was sent? Do the same for a message sent from a Gmail account.