IETF Logo Mail Archive

Re: [art] Auto-configuring Email Clients via WebFinger

"John Levine" <johnl@taugh.com> Thu, 25 July 2019 04:46 UTC

Return-Path: <johnl@taugh.com>
X-Original-To: art@ietfa.amsl.com
Delivered-To: art@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 962C4120047 for <art@ietfa.amsl.com>; Wed, 24 Jul 2019 21:46:00 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1536-bit key) header.d=iecc.com header.b=n3hv4O4T; dkim=pass (1536-bit key) header.d=taugh.com header.b=V5fU8OJp
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 Fds0Ha6oHLui for <art@ietfa.amsl.com>; Wed, 24 Jul 2019 21:45:59 -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 C201212001E for <art@ietf.org>; Wed, 24 Jul 2019 21:45:58 -0700 (PDT)
Received: (qmail 4273 invoked from network); 25 Jul 2019 04:45:57 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=iecc.com; h=date:message-id:from:to:cc:subject:in-reply-to:references:mime-version:content-type:user-agent; s=10af.5d393405.k1907; i=johnl-iecc.com@submit.iecc.com; bh=UNlxTAuaxOjNaTq+oY4yYTQvfkGwVWza8SW7gYUHy6A=; b=n3hv4O4Tt1MBeSF+Rkednjwyh49K9ZA6fzA4TRa4HjpcJseiTDq9YyCKA+rPhW6WcC4b0m9wZqHLVVg4VvPhZ6/Hp+HZylOGbHC2ciDz3P30IPTgIP01JMoMZuf58EidpiTx6D6RO5DsINrVC631epTXk8Ce4i0NwQJXJcM22rEWzcJ19T4Zcub24k+GUsJGwPyTtwpfMkdAXy1frp1/UAzLcKobJSg6ecFEJNG0tHjcwX+U9gRU1s59gSNnUOf5
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=taugh.com; h=date:message-id:from:to:cc:subject:in-reply-to:references:mime-version:content-type:user-agent; s=10af.5d393405.k1907; olt=johnl-iecc.com@submit.iecc.com; bh=UNlxTAuaxOjNaTq+oY4yYTQvfkGwVWza8SW7gYUHy6A=; b=V5fU8OJpArg6o3bFLR/cmUo5yHohnVdx0Mq21DsWJqNYOgQIxe7gwaThlouZEkOLg+8nTAGOpzZb7Vr3mBd+YT7F9DLDUB5EPy7JVNI+zbSS1kC3xchhFco6I2CQ+hA90lzTAnMTciRa9etWgEaBM1i3G8LNHE5psO0kebNsYXu0mXNzaalDDjNZlVXiNwTmGlzUAgMDCuowuwhZePwJifoWaAf2Ab6fPSvRJGR6XM8arTNDzyzJjcG6rpFozzvO
Received: from [172.20.1.15] ([12.133.212.60]) by imap.iecc.com ([64.57.183.75]) with ESMTPSA (TLS1.2 ECDHE-RSA AES-256-GCM AEAD, johnl@iecc.com) via TCP; 25 Jul 2019 04:45:56 -0000
Date: Wed, 24 Jul 2019 21:45:55 -0700
Message-ID: <alpine.OSX.2.21.99999.360.1907242128580.19527@johns-macbook-air.local>
From: John Levine <johnl@taugh.com>
To: "Paul E. Jones" <paulej@packetizer.com>
Cc: Dave Cridland <dave@cridland.net>, "General Area Review Team (gen-art@ietf.org)" <art@ietf.org>
X-X-Sender: johnl@johns-macbook-air.local
In-Reply-To: <emcdd0350d-c74e-4e88-9c5d-aa68b4128984@sydney>
References: <CAKHUCzzS+k_DUwaBcvTH_68G4JS_6UHA=b6Ak49HuPVgta6zwg@mail.gmail.com> <20190720050445.925A852550A@ary.qy> <CAKHUCzwxTYbtV8vYyyzRtF_XfcX8KmfaSRjX3tsc1ZY_0eBR3g@mail.gmail.com> <alpine.BSF.2.21.9999.1907231225350.69540@gal.iecc.com> <CAKHUCzya4dZ5sdTxYvcC4n4Guo_AKU7E42iGC2vq05tUwZw38Q@mail.gmail.com> <emcdd0350d-c74e-4e88-9c5d-aa68b4128984@sydney>
User-Agent: Alpine 2.21.99999 (OSX 360 2019-07-19)
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"; format="flowed"
Archived-At: <https://mailarchive.ietf.org/arch/msg/art/5fHz3XDr7DndBP0bpwhvZ_7w_oI>
Subject: Re: [art] Auto-configuring Email Clients via WebFinger
X-BeenThere: art@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Applications and Real-Time Area Discussion <art.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/art>, <mailto:art-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/art/>
List-Post: <mailto:art@ietf.org>
List-Help: <mailto:art-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/art>, <mailto:art-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 25 Jul 2019 04:46:01 -0000

> 2) It cannot specify (if I recall) that TLS must be used per corporate policy [this is important since
> both IMAP and mail submission generally offer STARTTLS as an option]

It can sort of do that by publishing _imaps._tcp rather than _imap._tcp 
but in general you are correct that SRV just isn't up to the job in this 
case.

R's,
John

v2.23.0 | Report a Bug | By Email