On Tue, May 03, 2011 at 11:15:57AM -0700, Rich Wales wrote:
> A followup question. If I suppress the advertising of an extended
> feature by listing it in smtpd_discard_ehlo_keywords, does that also
> disable the feature? Or do I have to do other things to actually
> turn a feature off and make it unavailable even if a client tries to
> issue a command (such as ETRN) that was not advertised in my EHLO
> response?
Postfix will generally disable the feature. The only exception I am aware
of is that PIPELINING will remain enabled when the protocol is ESMTP,
even if the keyword is disabled. This is harmless.
--
Viktor.
