[Solved] How to get acknowledgement email once after user read it using PHP? [closed]
You Tagged phpmailer so I’m guessing you’re using the phpmailer class. There you just have to $mail = new PHPMailer(); $mail->IsMail(); $mail->From = $senderEmail $mail->ConfirmReadingTo = $confirmEmail … body etc here … if your are not using phpmailer you have to add the “X-Confirm-Reading-To” header to your email. solved How to get acknowledgement email once … Read more