Re: Postfix: This release introduces DSN style notification of bounced or delayed mail, as per RFC 1894.

[Raul Miller]

On Mon, Sep 25, 2000 at 01:46:23PM -0400, Dave Sill wrote:
> Something like qreceipt?

Similar, yes.  But for proper DSN you need to be talking to
a remote mail gateway, and the response needs to say whether
or not the remote gateway accepted the message.

-- 
Raul