IETF Logo Mail Archive

Re: STARTTLS & EHLO

Alessandro Vesely <vesely@tana.it> Tue, 27 January 2009 10:35 UTC

Received: from balder-227.proper.com (localhost [127.0.0.1]) by balder-227.proper.com (8.14.2/8.14.2) with ESMTP id n0RAZC2J065787 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 27 Jan 2009 03:35:12 -0700 (MST) (envelope-from owner-ietf-smtp@mail.imc.org)
Received: (from majordom@localhost) by balder-227.proper.com (8.14.2/8.13.5/Submit) id n0RAZCmL065786; Tue, 27 Jan 2009 03:35:12 -0700 (MST) (envelope-from owner-ietf-smtp@mail.imc.org)
X-Authentication-Warning: balder-227.proper.com: majordom set sender to owner-ietf-smtp@mail.imc.org using -f
Received: from wmail.tana.it (mail.tana.it [62.94.243.226]) by balder-227.proper.com (8.14.2/8.14.2) with ESMTP id n0RAZA8t065779 for <ietf-smtp@imc.org>; Tue, 27 Jan 2009 03:35:11 -0700 (MST) (envelope-from vesely@tana.it)
Received: from [172.25.197.158] (pcale.tana [172.25.197.158]) (AUTH: CRAM-MD5 ale@tana.it, TLS: TLS1.0,256bits,RSA_AES_256_CBC_SHA1) by wmail.tana.it with esmtp; Tue, 27 Jan 2009 11:35:10 +0100 id 00000000005DC031.00000000497EE35E.00002FDC
Message-ID: <497EE35E.2030107@tana.it>
Date: Tue, 27 Jan 2009 11:35:10 +0100
From: Alessandro Vesely <vesely@tana.it>
User-Agent: Thunderbird 2.0.0.19 (Windows/20081209)
MIME-Version: 1.0
To: Paul Smith <paul@pscs.co.uk>
CC: ietf-smtp@imc.org
Subject: Re: STARTTLS & EHLO
References: <497DE492.4080506@pscs.co.uk>
In-Reply-To: <497DE492.4080506@pscs.co.uk>
Content-Type: text/plain; charset="us-ascii"; format="flowed"
Content-Transfer-Encoding: 7bit
Sender: owner-ietf-smtp@mail.imc.org
Precedence: bulk
List-Archive: <http://www.imc.org/ietf-smtp/mail-archive/>
List-ID: <ietf-smtp.imc.org>
List-Unsubscribe: <mailto:ietf-smtp-request@imc.org?body=unsubscribe>

Paul Smith wrote:
> "  The client SHOULD send an EHLO command as the
>    first command after a successful TLS negotiation."
> 
> 
> (SHOULD, not MUST).

EHLO is not mandatory. One may want to use, say, secure VRFY. No?

v2.23.0 | Report a Bug | By Email