'Undisclosed Recipients' in an Email's 'To' Field

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Does your email service display Undisclosed Recipients instead of the To: (recipient) field of an email you received? This article will explain why this occurs.

Why 'Undisclosed Recipients' Appears in an Email's 'To' Field

The term "undisclosed recipients" appears in the "To" field of an email when the sender of the email blind copies (or BCCs) all of the recipients:




In the absence of a recipient, this field is filled automatically with the value "Undisclosed Recipients," which means that the recipients have been hidden.

For more information about CC and BCC in emails, please see our article on the difference between CC and BCC.

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Jean-François Pillou

Jean-François Pillou - Founder of CCM
Better known as Jeff, Jean-François Pillou is the founder of CommentCaMarche.net. He is also CEO of CCM Benchmark and digital director at the Figaro Group.

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