React Native

Request a Return Receipt for an Email

Demonstrates the Chilkat Email.ReturnReceipt property. Set it to true to request a return-receipt when the message is received; this causes a Disposition-Notification-To header to be added when the email is sent. The default is false. This example enables the request.

Background: A return receipt (technically a Message Disposition Notification, MDN) asks the recipient's mail client to send back a small confirmation when the message is opened. It is only a request: the receiving client or server is free to ignore it, and many prompt the user before sending anything. Because of this, a return receipt is not reliable proof that a human actually read the message — treat it as a courtesy signal, not a guarantee.

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React Native

import { Email } from '@chilkat/react-native'

function chilkatExample() {
  // Demonstrates the Email.ReturnReceipt property.  Set to true to request a
  // return-receipt when the email is received.  This causes a Disposition-Notification-To
  // header to be added when the email is sent.  The default is false.

  const email = new Email();
  email.subject = 'Please confirm receipt';
  email.body = 'Kindly confirm you received this message.';
  email.from = 'alice@example.com';
  email.addTo('Bob', 'bob@example.com');

  // Request a return receipt.
  email.returnReceipt = true;

  console.log(`ReturnReceipt = ${email.returnReceipt}`);
}