How to Send an Email to Undisclosed Recipients

Learn how to send emails to "undisclosed recipients" to shield the email addresses of multiple recipients from one another.

April 15, 2025 · 1 min · 56 words · Rebecca Grant

Table of Contents

Instructions apply broadly to all email services.

Create a new message in youremail client.

TypeUndisclosed Recipientsin theTo:field, followed by youremail address in< >.

To: undisclosed recipients for a new email in macOS Mail

For example, typeUndisclosed Recipients.

Why Send Emails to Undisclosed Recipients?

Sending an email to undisclosed recipients protects everyone’s privacy and makes theemaillook clean and professional.

Bcc: field in undisclosed recipients email in Mail app for macOS