> -----Original Message-----
> From: Edgar Lovecraft [mailto:exim-list@cox.net]
> It does provide usefull information. It provides usefull information
> for that stage of the SMTP transaction. A proper HELO/EHLO string
> allows the 'system' to be 'verified' as actually being the host they
> say they are.
True, but this is *only* useful for a human trying to trace things out
later, anyway. RFC2821 doesn't allow for rejecting mail just because the IP
does not verify.