"Dave C." <djc@???> writes:
> If User A at ISP A tries to send a message to nonexistant User B at
> ISP B, ISP B should refuse the message at SMTP time, and ISP A
> should be responsible for reporting the failure to its own user.
Yes, delayed bounces are a nuisance. But eliminating them would
require a different mail protocol, I fear.
--
Florian Weimer Weimer@???
University of Stuttgart http://CERT.Uni-Stuttgart.DE/people/fw/
RUS-CERT fax +49-711-685-5898