In plain English
They are return notices about a message. They let the person who sent it know that the person who received it has opened it.
In context
Here, the label names acknowledgments that let a message sender know that the recipient has opened the message.
- Situation
- Notification, privacy, data-export, and account-deletion settings
- What it communicates
- labels a messaging privacy setting
Meaning limits
The term by itself does not say when the acknowledgment is sent or how it is presented, because that can vary.
Examples
“She received read receipts for the apology, but no one sent a reply.”
“By lunchtime, read receipts had come back from three of the five recipients.”