Author: Chris Knipe Date: To: exim-users Subject: Re: [Exim] Relaying at ISP SMTP - ANSWERED
> In some roundabout way, there may be, after all that handshaking is the > TCP establishment, and there may be IP based relay controls, in which
> case, the TCP session's source address will be in the handshake and
> therefore some determination of whether the host on the other end of the
> connection can relay.
No offence, but you need help I think... IP numbers has just about zero to
do with routing email. You're getting confused between TCP/IP Routing and
Mail routing here I believe. Two completely different things, and works
completely different aswell...