A method and system for processing an email. A mail hub device receives the email from a first mail server, a Mail Thread ID (MTID) from a Mail Thread Board (MTB) server, and additional data from the MTB server. The mail hub device transmits, to a second mail client, the email with the added MTID and the added additional data and in response, receives, from the second email client, a selection of a message from messages contained in the additional data. The mail hub device transmits, to the MTB server, a request to generate an update of the additional data based on the selection of the message. The mail hub device receives, from the MTB server, the updated additional data based on the selection of the message. The mail hub device transmits, to the first mail server, the updated additional data based on the selection of the message.