bcc(A feature of e-mail programs that allows a user to send a copy of an e-mail message to a recipient without notifying other recipients that this was done); blind carbon copy(A feature of e-mail programs that allows a user to send a copy of an e-mail message to a recipient without notifying other recipients that this was done); blind courtesy copy(A feature of e-mail programs that allows a user to send a copy of an e-mail message to a recipient without notifying other recipients that this was done)
