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[47.55.113.94]) by smtp.gmail.com with ESMTPSA id m189sm10452962qkd.107.2021.06.28.07.27.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Jun 2021 07:27:00 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1lxsDz-000dJL-Ra; Mon, 28 Jun 2021 11:26:59 -0300 Date: Mon, 28 Jun 2021 11:26:59 -0300 From: Jason Gunthorpe To: Benjamin LaHaise Cc: James Bottomley , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: linux-mm@kvack.org - limping on a backup Message-ID: <20210628142659.GB4604@ziepe.ca> References: <20210622145954.GA4058@kvack.org> <214c41fae1f1b148e5b04a58c1b018fb091d7e83.camel@HansenPartnership.com> <20210625171259.GG4058@kvack.org> <6f309c63f5b7be968ae679e81ab959db05681e8a.camel@HansenPartnership.com> <20210625192607.GH4058@kvack.org> <20210628134607.GA4604@ziepe.ca> <20210628135352.GL4058@kvack.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210628135352.GL4058@kvack.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 28, 2021 at 09:53:52AM -0400, Benjamin LaHaise wrote: > The fact of the matter is that the DKIM spec is broken and doesn't > properly address issues relating to transport of emails containing UTF-8 > content over SMTP sessions which are limited to 7 bit transport due to > backwards compatibility assumptions. Isn't a 7-bit conversion what I pointed at last time we talked about this? DKIM assumes a "modern" mail system, there should not be 7bit conversions in the mail pipeline. Anyone sending DKIM needs to be 8 bit clean. Jason