On Sun, 17 Nov 2002, Nico Erfurth wrote:
> I think this is some kind of smtp-proxy/firewall, thats REALLY broken, it
> announces that it know ESMTP
> 220 sbase22.com ESMTP
>
> but it does not even accept EHLO.
protocol-wise, it does not matter what does it say in the banner. if
it accepts helo, it speaks esmtp, if it doesn't, it doesn't.