4 ms·Not just hidden. When using BCC, the information is never transmitted outside the sending server.by lokedhs 7y agoNot just hidden. When using BCC, the information is never transmitted outside the sending server.kbenson 7y agoI think what they meant is the option to send as BCC instead of CC is hidden in most mail clients.lokedhs 7y agoThank you. That does indeed make more sense.