Validating an SMTP server

Gert Doering gert at
Mon Sep 7 21:03:22 CEST 2015


On Mon, Sep 07, 2015 at 02:56:50PM -0400, Jim Popovitch wrote:
> I think the CRLF vs CR debate is older than the Emacs vs Vi debate.
> :-)   Others can probably speak better as to which to use, I'll stand
> on the sidelines and share with you Wietse's feelings:   :-)

There is nothing to stand aside here - the RFC is more than clear.

> Sep  7 17:04:13 svr2 postfix/smtpd[17157]: improper command pipelining
> after HELO from[]:

This has nothing to do with CR+NL (except that it shows up) but with,
as the error message says, "improper command pipelining" - you're not
supposed to send QUIT right away, but you're supposed to wait for the
reply to HELO, and only *then* send the next command (here: QUIT).

Gert Doering
        -- NetMaster
have you enabled IPv6 on something today...?

SpaceNet AG                        Vorstand: Sebastian v. Bomhard
Joseph-Dollinger-Bogen 14          Aufsichtsratsvors.: A. Grundner-Culemann
D-80807 Muenchen                   HRB: 136055 (AG Muenchen)
Tel: +49 (0)89/32356-444           USt-IdNr.: DE813185279

More information about the dane-users mailing list