Select notice of receipt automatically

Hi guys,

One more question about “notice” for sending emails.

There are two main options, IMO, for a sender to know if an email reach the destination or not:

  1. Return receipt - but that depends by the receiver of email.
  2. Delivery Status Notification - I think that depends by the email server.

My question is: if we use NS as Email Server, how can we have DSN?

For me, DSN is more useful than RR.

Thank you in advance!

Kind regards,
Gabriel