Validating an SMTP server

Viktor Dukhovni ietf-dane at
Mon Sep 7 21:03:40 CEST 2015

On Mon, Sep 07, 2015 at 02:56:50PM -0400, Jim Popovitch wrote:

> >

SMTP commands are <CRLF> terminated.

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

The problem is improper pipelining.  After STARTTLS, the tester is
supposed to send EHLO (not HELO) wait for a reply, and *then* send
QUIT<CRLF> (and wait for a reply).


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