Validating an SMTP server

[Viktor Dukhovni]

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

> > https://www.ietf.org/rfc/rfc2821.txt

SMTP commands are <CRLF> terminated.

> Sep  7 17:04:13 svr2 postfix/smtpd[17157]: improper command pipelining
> after HELO from ec2-52-7-167-73.compute-1.amazonaws.com[52.7.167.73]:
> HELO TEST\r\nQUIT\r\n

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).

-- 
	Viktor.