[Mimedefang] MX -> 127.0.0.1

[Les Mikesell]

On Tue, 2005-09-13 at 10:34, Kevin A. McGrail wrote:
> How is this a hostile to the relay?  We aren't even accepting the mail.  We
> are rejecting it before the conversation between the SMTP servers is
> finished.  This email won't even hit your local queue.

It's unlikely you are talking to the original sender.  Assume a
forwarding relay has accepted a copy (as I am doing now), then
trying to deliver.  If you give a 5xx smtp response you force the
sending relay to construct a bounce.  But you know it's impossible
to deliver it.

--
  Les Mikesell
    les at futuresource.com