Powershell to send email with delivery notification enabled. Once mail is delivered to the recipient mailbox and delivery notification mail will be sent to the sender mailbox. Below powershell help you to atchive the same

$msg = new-object Net.Mail.MailMessage
$smtp = new-object Net.Mail.SmtpClient($smtpServer)
$msg.Headers.Add(“Disposition-Notification-To”, “from@domainname.com”)
$msg.DeliveryNotificationOptions = “OnSuccess”
$msg.From = “from@domainname.com”
$msg.To.Add(”to@domainname.com”)
$msg.Subject = “Make the Delivery Recipt Work Please”
$msg.Body = “In a perfect world this email will generate a delivery receipt”
$msg.Attachments.Add($att)
$smtp.Send($msg)