This is 3 Gmail invitations. Gmail is the email service of Google.
Gmail has 2 GB space. make sure you use your Desired Login Name instead
of what is given.
http://mail.google.com/mail/a-a48602808c-8634847db6-b7d2863ea3
http://mail.google.com/mail/a-a48602808c-cb2ebbb1d9-0c0dcc5fce
http://mail.google.com/mail/a-a48602808c-6c19bdbe50-b2bb74c9d3