Patent ID: 7856417

Claim:
A computer implemented method of filing an electronic mail (e-mail) comprising the steps of: detecting an instruction from a user action to file the e-mail; extracting content of at least one message field from a header of the e-mail; using, by a computer, at least some of the extracted content as a message identifier to search into a folder table for one or more records associated with the same message identifier, each record of the folder table being defined by a folder name and a message identifier; and displaying a proposed folder list as being a result of relevant one or more folders where to file the e-mail, the list including a folder name of each record found, wherein the extracted content is content of a message-id field, the content of a message-id field having a unique identifier which refers to current version of current message, and wherein the extracted content further comprises content of a reply-to field, the reply-to field having a message-id of a previous message which current message is a reply to.