How to make recipient don't know I'm emailing copies to others with BCC or CC?

1. Launch the program and select Microsoft Excel file with e-mail address list;

2. Add attachments to the list, PDF files or other format files like Word and PPT;

3. Define "Subject" and "Email Body";

4. Click "Setting" button and select "Email Field Setting", match excel columns for "Email-to", "CC" and "BCC";

5. Click "OK" and then batch send e-mails.