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Hide email recipient addresses
This guide explains the different ways to address an email to multiple recipients.
To / Cc / Bcc
When sending an email to multiple people, it is preferable to include a primary address in the "To:" or "For:" field (for example, your own alternate email address if you have one).
In the "Bcc:" or "BCC:" field, you will enter the various email addresses of your recipients. These "Bcc" or "BCC" fields (respectively "blind carbon copy" and "blind carbon copy invisible") will make your recipients believe that they are the sole recipients of the email or, at least, hide the other addresses from other people, which prevents general spam propagation and provides welcome privacy.
Hiding Recipients in Mail
Most email software includes Cc/Bcc fields for entering recipients in a blind carbon copy.
In Mail, you can enable these Cc & Bcc fields at the top right of the composing window:
The "Cc" field copies your recipients but does not hide their respective addresses!