Anyone who has Internet access has the ability to send and receive messages with people from all over the world. E-mail, electronic mail, is any message that is sent over a network. E-mail can be sent and received at any time, from any computer that is connected to the Internet.
Teachers can send and receive electronic letters.
An e-mail message can reach millions of users instantaneously. Using e-mail you can send one letter to lots of different people with a click of the mouse. There are mailing lists to which you can subscribe and receive daily messages. Users can send and receive files. Lesson plans can be created using a word processing program and then attached to an e-mail message.