Electronic mail, or E-mail, is a method of transmitting message through a computer network. Business communication by E-mail is basically the same as writing on paper. Although E-mail tends to be a more immediate and personal form of communication, the formal style, tone and language of a business letter should still be employed. Try to avoid long and complicated words and sentences in your E-mail as to make the message easy to read.Keep paragraphs short and use line spaces between paragraphs.