On Mon, Jul 29, 2013 at 3:56 AM, Wietse Venema <wie...@porcupine.org> wrote: > Jeffrey 'jf' Lim: >> Am I misunderstanding something here, that setting >> 'smtpd_client_restrictions = reject_unauth_pipelining' should reject a >> client that sends the EHLO, or HELO before the smtp banner? >> (http://www.postfix.org/postconf.5.html#reject_unauth_pipelining: >> 'Reject the request when the client sends SMTP commands ahead of time >> where it is not allowed, ...') > > Current reject_unauth_pipelining implementations reject clients > that pipeline input that *follows* EHLO/HELO and later commands. > They don't reject clients that talk before Postfix greets them. > > To reject clients that talk before Postfix greets them, use > Postscreen's pregreet detection feature. >
ok, thanks. How about my problems with setting 'smtpd_delay_reject = no'? It just seems that with it smtpd_delay_reject set to 'no', the rejection just isn't done (or detected?), for whatever reason. -jf
