System and method for checking e-mail accessory content

The invention discloses an e-mail accessory content checking method, comprising: obtaining mail accessories to be delivered and the information of a mail sender; obtaining the content of the mail accessories; reading all confidential keywords stored in a database; matching the read confidential keywords with the obtained content of the mail accessories; judging that whether the matching is successful, and if not, sending the mail and if yes, sending the mail accessories and the information of the mail sender to an information safety server and to be recorded into the database. In addition, ane-mail accessory content checking system is also provided. With the utilized method, the safety of confidential files is enhanced and the using convenience for users is improved.