Philippe Cerfon:
> On Sun, Dec 27, 2009 at 2:11 AM, Wietse Venema <[email protected]> wrote:
> > With "smtpd_helo_required = yes", the Postfix SMTP server requires
> > HELO (or EHLO) before the MAIL, ETRN and AUTH commands (*).
> I've just tried it vor ETRN, and as far as I understand the RFC it
> should not be necessary for ETRN (as well as AUTH and STARTTLS which
> you named) to require HELO/EHLO.
Without sending EHLO the client cannot know that the server supports
ETRN, AUTH, etc., therefore such clients are not compliant. Perhaps
some study of RFC 1869 is in order.
> > If you disagree, then you MUST show the evidence that Postfix
> > behaves otherwise.
> Well,.. I do not claim that the RFC is superior in all points. I've
> just read that HELO/EHLO should be only necessary for mail
> transactions (=> MAIL)... q.e.d. ;-)
You claimed that "smtpd_helo_required = yes" ALWAYS requires
HELO/EHLO. That claim is incorrect.
Wietse
