On Wed, 5 Jun 2002, Philip Hazel wrote:
> Exactly. This check was put into Exim a few releases ago. It is
> intended to block messages from spammers that send out an entire SMTP
> session in one packet, disconnect, and ignore any responses. In this
> case, Exim noticed that there was more input after the HELO command,
> before it had sent back the response. That is in violation of the SMTP
> protocol.
OK, that's a good thing, then. Is there any chance of making the error
message somewhat clearer? Maybe something like: "Synchronisation error --
SMTP protocol violation by sender" ?