an electronic message identification method and system is provided for identifying and managing electronic messages . the electronic message identification method and system may be used for sending an electronic file to a customer by receiving an approval from the customer indicating acceptable content for electronic files that are sent to the customer ; receiving the electronic file from a sender , the electronic file including file content and a message content identifier corresponding to the file content ; comparing the message content identifier to the approval from the customer ; and delivering the file content to an electronic mailbox of the customer , if the message content identifier is consistent with the approval from the customer indicating acceptable content .