How a mail is different from a letter ?
Letter comes in hard copy either through courier or through postal deptt.
Electronic mail is an exchange of email files from the senders email server to the receivers email server. You have to have a means of connecting to the email server to have your email sent and to receive email.
Electronic mail uses a protocal so that the servers will know that it is an email exchange and not some other form of transmitted file.
The electronic mail server is known as the mail deamon. You'll here from him if your email did not get through. This could happen because the email address was wrong, the email account went over it's size limit or the email queue or line to get the email through was too lon ...more