On Thu, 29 Mar 2001, Derrick MacPherson wrote:
> I am seeing this in my exim log:
>
> 2001-03-29 10:42:38 rejected EHLO from [209.88.236.42]:
> syntactically invalid argument(s): ::ffff:209.88.236.42
>
>
> What is with the ::ffff: before the address?
That's an IPv4 address, converted to IPv6 notation. The rules for EHLO
do allow for address literals, but these are enclosed in square brackets.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.