IETF Logo Mail Archive

Re: [ietf-smtp] quoted-unprintable ?

John Levine <johnl@taugh.com> Fri, 26 March 2021 20:56 UTC

Return-Path: <johnl@iecc.com>
X-Original-To: ietf-smtp@ietfa.amsl.com
Delivered-To: ietf-smtp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 760A63A0EA7 for <ietf-smtp@ietfa.amsl.com>; Fri, 26 Mar 2021 13:56:47 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.85
X-Spam-Level:
X-Spam-Status: No, score=-1.85 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=iecc.com header.b=P+1M2dHw; dkim=pass (2048-bit key) header.d=taugh.com header.b=ltJMVZe7
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iY4JC85Qc2AC for <ietf-smtp@ietfa.amsl.com>; Fri, 26 Mar 2021 13:56:42 -0700 (PDT)
Received: from gal.iecc.com (gal.iecc.com [IPv6:2001:470:1f07:1126:0:43:6f73:7461]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DF8D93A0E9E for <ietf-smtp@ietf.org>; Fri, 26 Mar 2021 13:56:41 -0700 (PDT)
Received: (qmail 74262 invoked from network); 26 Mar 2021 20:56:37 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=iecc.com; h=date:message-id:from:to:cc:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:cleverness; s=12214.605e4a85.k2103; bh=9Oe/S+zjv1zAlKsvejo6ird46tLMmDjtP1XBVKgkLq4=; b=P+1M2dHwQDaMAohEB8ZDyXSolAouzGc/xSOtm6OMzCyyR4Nq0YQJA71emlMZ9paZgmRvo5n+BdbONZRFl2vJVSWtxDy1ZiDefK0OA3hYT8ib3yZbXal0XL5F5nYEsXPnmaRbKFzmbTDsLrHEHChcHeGB3ctsN+OHZAaI9TbFOzkq+K/ZjjwTgD2ea+qmFyLKbMs1FXlUsLATqQpEtwqWqS7DXzGMdcnJ7o7G2Q7v1tclCgVuP8XrRdzkBXUokxsWtvMiatTimonope+AlV6PE/WUWgiCJSYuPjJoepnxxlm7CE8aKBhOee8CYWZCruLgotyOaLWzb3ByZdxiHILFRg==
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=taugh.com; h=date:message-id:from:to:cc:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:cleverness; s=12214.605e4a85.k2103; bh=9Oe/S+zjv1zAlKsvejo6ird46tLMmDjtP1XBVKgkLq4=; b=ltJMVZe74SeNdWlhm87QDBhy8WVHxwjUrC7eMOx6Ozz1BPSxDXlnW+GF0Jv6U1HIE5dK4YJCZMkGeQIWImZZPb80KKjnQSoSQwlplGIMYODZ/IkCAVUGrdgPmBNv/v2EnRPoyfXVMuMg6kdRj1xNCUop3ooeUBscz8AhvfbQ3SSDacAuUmOa/yfH8faT9IqhWCOxRK73xaoz5z1al+NDEeoDfwOPxgjrBZXxvtan0G15ZzoOZx3UtFtW5d2KrdevMn69kaXdAuCK1jQn4cWNjbWBrTLcl3qSZiHcY3H5qXnuvWDnOU6SduGKbbvHR4YfYEm3ve/ApSGP2NaE/5N+WQ==
Received: from ary.qy ([IPv6:2001:470:1f07:1126::78:696d:6170]) by imap.iecc.com ([IPv6:2001:470:1f07:1126::78:696d:6170]) with ESMTPS (TLS1.2 ECDHE-RSA AES-256-GCM AEAD) via TCP6; 26 Mar 2021 20:56:37 -0000
Received: by ary.qy (Postfix, from userid 501) id 1142F71512FF; Fri, 26 Mar 2021 16:56:36 -0400 (EDT)
Date: Fri, 26 Mar 2021 16:56:36 -0400
Message-Id: <20210326205637.1142F71512FF@ary.qy>
From: John Levine <johnl@taugh.com>
To: ietf-smtp@ietf.org
Cc: gene@digilicious.com
In-Reply-To: <b94b7ab5-db89-b45f-ff47-65e7813e56c9@digilicious.com>
Organization: Taughannock Networks
X-Headerized: yes
Cleverness: minimal
Mime-Version: 1.0
Content-type: text/plain; charset="utf-8"
Content-transfer-encoding: 8bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf-smtp/6DarqC3lpLDoj2UekwaDGqdBRo4>
Subject: Re: [ietf-smtp] quoted-unprintable ?
X-BeenThere: ietf-smtp@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Discussion of issues related to Simple Mail Transfer Protocol \(SMTP\) \[RFC 821, RFC 2821, RFC 5321\]" <ietf-smtp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf-smtp>, <mailto:ietf-smtp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ietf-smtp/>
List-Post: <mailto:ietf-smtp@ietf.org>
List-Help: <mailto:ietf-smtp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf-smtp>, <mailto:ietf-smtp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 26 Mar 2021 20:56:47 -0000

It appears that Gene Hightower  <gene@digilicious.com> said:
>On 25/03/2021 15:45, John R Levine wrote:
>
>> There's at least one value we need to avoid (zero)
>
>NUL ('\0') is a valid ASCII character in message bodies.

This would be a good time to reread RFC 5322, particularly the
first paragraph of section 2.1, and and the penultimate paragraph
of section 4.

R's,
John

v2.23.0 | Report a Bug | By Email