21.  A lot of trash message in our email in-box and the untrue information are telling us that using the internet wisely is necessary.

22.  Firstly, the author tells us the way Email travels on the Internet to reach someone far away .

23.  Firstly, it tells us the way in which email travels on the Internet to reach someone far away.

24.  People send their email to the ISP, then ISP send the email to an \

25.  First of all, you would know how does Email travel on the Internet to reach your friends and parents far away .

26.  The first part introductions the 3 steps of email travel.

27.  Besides, it is quite convenient to keep in touch with each other by sending email or chatting online.

28.  In the first place, the article gives an example of sending email to explain how one sends the message from his own computer to other's computer.

29.  Just send an email with a click of your mouse.

30.  It can provide many online tools--email, chat room, message boards--for us to happily send emails, post messages and chat away with buddies who share interests with us.