Re: [apps-discuss] Mail client configuration via something, maybe WebFinger

Arnt Gulbrandsen <> Wed, 10 February 2016 18:37 UTC

Return-Path: <>
Received: from localhost ( []) by (Postfix) with ESMTP id 92A221ACE31 for <>; Wed, 10 Feb 2016 10:37:00 -0800 (PST)
X-Virus-Scanned: amavisd-new at
X-Spam-Flag: NO
X-Spam-Score: -2
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] autolearn=ham
Received: from ([]) by localhost ( []) (amavisd-new, port 10024) with ESMTP id 6_7O-dJ1IOiI for <>; Wed, 10 Feb 2016 10:36:58 -0800 (PST)
Received: from ( [IPv6:2001:4d88:100c::1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by (Postfix) with ESMTPS id C1F861B2E70 for <>; Wed, 10 Feb 2016 10:36:57 -0800 (PST)
Received: from (localhost []) by (Postfix) with ESMTP id 4C761FA007C; Wed, 10 Feb 2016 18:36:56 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple;; s=mail; t=1455129416; bh=RfjNAQBLA0yy9GuLk1F+ObRTyGCTldpalDUKUDljiks=; h=From:To:Subject:Date:In-Reply-To:References:From; b=iV1A7+TBD7EqcE6+WzyC1C8hNG8w6Bk3JgeXHhpXwBBYvHqCKUs96wqP4OE70xoCP AKb9v+6/lffUldogvdhc0n9Te6sQQEzqOPVErMpop3ANHIBYwQoCETOKVPFGpTeqRX NZCyJ4HfRo9vxqs/78qqBRRK187kZ1yibulBJXpk=
Received: from by (Archiveopteryx 3.2.0) with esmtpsa id 1455129415-28409-19604/11/7; Wed, 10 Feb 2016 18:36:55 +0000
From: Arnt Gulbrandsen <>
Date: Wed, 10 Feb 2016 18:36:54 +0000
User-Agent: Trojita/v0.5-9-g8961725; Qt/4.8.6; X11; Linux; Debian GNU/Linux 8.2 (jessie)
Mime-Version: 1.0
Message-Id: <>
In-Reply-To: <20160210181822.1369.qmail@ary.lan>
References: <20160210025935.98561.qmail@ary.lan> <> <20160210181822.1369.qmail@ary.lan>
Content-Type: text/plain; charset=utf-8; format=flowed
Archived-At: <>
Subject: Re: [apps-discuss] Mail client configuration via something, maybe WebFinger
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: General discussion of application-layer protocols <>
List-Unsubscribe: <>, <>
List-Archive: <>
List-Post: <>
List-Help: <>
List-Subscribe: <>, <>
X-List-Received-Date: Wed, 10 Feb 2016 18:37:00 -0000

John Levine writes:
> Gmail does require
> that you create a separate per-app password on their web site for
> every device that logs into gmail, but automating that seems rather
> beyond what we're looking at here.

That's not entirely true. If you don't do that, you're at mercy of per-user 
configuration, but my account worked fine without any changes that I can 

>> (2) Some ISP's want your email address in all lower case when
>> authenticating, others want it as you entered it.
> Really?  Can't ever remember that being a problem.  In any event, you'd
> have exactly the same problem with webfinger and anything else if they
> want to be picky about upper/lower case.

IIRC Thunderbird used to probe about 140 combinations of things 
just-localpart or whole-thing, lower-case vs exact, various default names, 
ports 25 vs 587. All very boring really.