A method for receiving and classifying normal e-mail and advertising e-mail is designed to establish a harmony relationship between the advertising-mail sender and the e-mail user, the method comprises: setting up a "normal inbox" and a "advertising inbox" in a mail-receiving-and-sending software for receiving the normal e-mail and the advertising e-mail respectively; making a design to make the "normal inbox" only accept e-mails with addresses which are listed on a list of permissible addresses beforehand by the user, and make "advertising inbox" only accept e-mails which are solicited by the user beforehand. Advertising-mail sender should classify the advertising e-mail thereof according to a "classification list", and attach identifying information to the advertising e-mail to be sent for enabling the public mail server to distinguish, an advertising e-mail without such identifying information is regarded as normal mail.