It's not typically used that way -- bcc is used to prevent disclosing all recipient emails, and it also prevents spamming all recipients on replies: to: s

It's not typically used that way -- bcc is used to prevent disclosing all recipient emails, and it also prevents spamming all recipients on replies: to: sender_address@domain.com bcc: recipient1@, recipient2@, . . . Ever been part of a giant cc list that everyone replies to and hammers your inbox? bcc would have avoided that.