Patent ID: 8843572

Claim:
A method for threading e-mail messages, the method comprising: receiving an e-mail message; displaying unthreaded information about the e-mail message in a sortable portion of an e-mail user interface responsive to a determination that the e-mail message is unrelated to any other e-mail message in the mailbox; and associating the received e-mail message with one or more e-mail messages as an e-mail thread responsive to a determination that the e-mail message is related to the one or more e-mail messages, comprising: creating a thread header comprising information about the e-mail thread responsive to a determination that the e-mail thread comprises only the received e-mail message and a single related e-mail message; updating the thread header to include information derived from the attributes of contents of the received e-mail message; and displaying the thread header in a sortable portion of the e-mail user interface only if the e-mail thread comprises at least two e-mail messages.