Answer
BCC means “blind carbon copy?.
When you send a message to more than one address using the Cc: field, both the original recipient and all the recipients of carbon copies see the To: and Cc: fields with all their content. This means that everybody then knows the email addresses of all the persons that received your message. Besides the data protection problem there is an aesthetic one: Full Cc: fields can become quite long and grow big on the screen. There will be lots of email addresses and little of message text.
To solve these problems, the Bcc: field exists. Similar to the Cc: field, a copy of the message goes to every single email address appearing in the Bcc: field. The difference is that the Bcc: field itself does not appear in any of the copies (and not in the message sent to the person in the To: field either).
The only recipient address that will be visible to all recipients (both the one in To: and those in Bcc:) is the To: address. So to keep maximum anonymity you can leave the To: field blank and use Bcc: exclusively.
All Gordano products support the use of the Bcc: clause.
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