Patent ID: 8645432

Claim:
A method for customizing a mail history, comprising: generating, using a computer hardware device, a mail tree composed of all received mails belonging to a same topic; receiving, using the computer hardware device, a user input indicating a mail to be replied to and a mail to be referred to which are selected by a user to be included in one message from the user, the mail to be replied to and the mail to be referred to sharing a root mail and being located on different branches of the mail tree; acquiring, using the computer hardware device, a first plurality of mails on a first path from the root mail of the mail tree to a child mail of the mail to be replied to, and a second plurality of mails on a second path from the root mail to a child mail of the mail to be referred to; and merging, using the computer hardware device, the first plurality of mails and the second plurality of mails to generate a merging result as the mail history included in the one message.