Bcc and Cc header fields, what are they?
Bcc stands for Blind Carbon Copy and Cc for Carbon copy. Both fields are options for people sending a message to multiple people. If you put someone’s address into the Bcc field, then that user will not beable to view the other people you sent the message too. If you put someone’s address into the Cc field, then that user can see all the people who received the message.