From owner-freebsd-questions@freebsd.org  Wed Sep  5 22:46:41 2018
Return-Path: <owner-freebsd-questions@freebsd.org>
Delivered-To: freebsd-questions@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 51AE3FCC49D
 for <freebsd-questions@mailman.ysv.freebsd.org>;
 Wed,  5 Sep 2018 22:46:41 +0000 (UTC) (envelope-from johnl@iecc.com)
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))
 (Client CN "gal.iecc.com", Issuer "Let's Encrypt Authority X3" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id DA6DB76F37
 for <freebsd-questions@freebsd.org>; Wed,  5 Sep 2018 22:46:40 +0000 (UTC)
 (envelope-from johnl@iecc.com)
Received: (qmail 86733 invoked from network); 5 Sep 2018 22:46:38 -0000
Received: from localhost ([IPv6:2001:470:1f07:1126::78:696d:6170])
 by imap.iecc.com ([IPv6:2001:470:1f07:1126::78:696d:6170])
 with ESMTPS (TLS1.2/X.509/AEAD) via TCP6; 05 Sep 2018 22:46:37 -0000
Date: 6 Sep 2018 00:46:36 +0200
Message-ID: <alpine.OSX.2.21.1809060046070.51602@ary.local>
From: "John R. Levine" <johnl@iecc.com>
To: "William Dudley" <wfdudley@gmail.com>
Cc: "freebsd-questions" <freebsd-questions@freebsd.org>
Subject: Re: DKIM is driving me nuts
In-Reply-To: <CAFsnNZ+qeK+M1PPFns59wDeH_Y+-3VDmkwN-iZAEU7qcHS8oRA@mail.gmail.com>
References: <CAFsnNZ+HXxrn7+3sYxWtBuA1+rCjvhbtrAg6Y5Tkm_icAte-fg@mail.gmail.com>
 <20180905180704.89453200414382@ary.local>
 <CAFsnNZ+qeK+M1PPFns59wDeH_Y+-3VDmkwN-iZAEU7qcHS8oRA@mail.gmail.com>
User-Agent: Alpine 2.21 (OSX 202 2017-01-01)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII; format=flowed
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.27
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 05 Sep 2018 22:46:41 -0000

> type "Mail wfdudley@gmail.com" on the command line of my casano.com server
> and send a simple one line email with DKIM signing turned on.
>
> Google (and others) say the message fails DKIM "bad signature".
>
> Send the identical message from Thunderbird, and the message passes DKIM
> checks at the other end.
>
> Something is different between using Mail/mailx and using Thunderbird,
> and I've given up trying to figure out what.

Please reread my message.  It told you why it's doing that.

Regards,
John Levine, johnl@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly