Matthew Byng-Maddick <exim@???> writes:
> With issues like this, I'm not so completely sure. I think that all
> in all 821 is a better standard. I think that returning 554 as a
> greeting on a public-facing MX is probably pretty stupid. Giving an
> RST is so much better.
The BSD sockets API doesn't allow for sending a RST to selected peer
addresses. You have to accept the connection to get the peer address.
And the practical consequences of an RST and a 554 opening message are
quite different. 8-)
