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Date: Sat, 3 Oct 2020 12:13:45 +0200
From: =?iso-8859-2?Q?Micha=B3_Miros=B3aw?= <mirq-linux@rere.qmqm.pl>
To: Mark Brown <broonie@kernel.org>
Cc: tools@linux.kernel.org, konstantin@linuxfoundation.org
Subject: Re: [tools] b4: UTF-8 in replies
Message-ID: <20201003101345.GA4163@qmqm.qmqm.pl>
References: <20201001171405.GA17873@qmqm.qmqm.pl>
 <20201001180541.poupp36rtajzkihs@chatter.i7.local>
 <20201001183647.GA23339@qmqm.qmqm.pl>
 <20201001184109.GB23339@qmqm.qmqm.pl>
 <20201001192600.fo2rivqc4nklw4oj@chatter.i7.local>
 <20201002210950.GH5527@sirena.org.uk>
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On Fri, Oct 02, 2020 at 10:09:50PM +0100, Mark Brown wrote:
> On Thu, Oct 01, 2020 at 03:26:00PM -0400, Konstantin Ryabitsev wrote:
>=20
> > Hrmph, apparently my assumption on what headers will be generated by=20
> > policy=3D8bit was pretty wrong. I pushed a commit to master and=20
> > stable-0.5.y that should properly set the charset and generate the=20
> > necessary headers.
>=20
> This fix seems to have caused some issues for me - using msmtp with
> kernel.org on 1594818110-786-1-git-send-email-brent.lu@intel.com I'm
> getting headers with:
>=20
> To: alsa-devel@alsa-project.org, Brent Lu <brent.lu@intel.com>
> Cc: =3D?utf-8?q?linux-kernel=3D40vger=3D2Ekernel=3D2Eorg=3D2C_Kai_Vehma=
nen_=3D3Ckai=3D2Eve?=3D
>  =3D?utf-8?q?hmanen=3D40linux=3D2Eintel=3D2Ecom=3D3E=3D2C_Pierre-Louis_=
Bossart_=3D3Cpierre?=3D
>  =3D?utf-8?q?-louis=3D2Ebossart=3D40linux=3D2Eintel=3D2Ecom=3D3E=3D2C_T=
akashi_Iwai_=3D3Ctiwa?=3D
>  =3D?utf-8?q?i=3D40suse=3D2Ecom=3D3E=3D2C_Guennadi_Liakhovetski_=3D3Cgu=
ennadi=3D2Eliakhove?=3D
>  =3D?utf-8?q?tski=3D40linux=3D2Eintel=3D2Ecom=3D3E=3D2C_Liam_Girdwood_=3D=
3Clgirdwood=3D40gma?=3D
>  =3D?utf-8?q?il=3D2Ecom=3D3E=3D2C_Amadeusz_S=3DC5=3D82awi=3DC5=3D84ski_=
=3D3Camadeuszx=3D2Eslawin?=3D
>  =3D?utf-8?q?ski=3D40linux=3D2Eintel=3D2Ecom=3D3E?=3D

RFC 2047 section 6.2. suggests that this encoding is invalid, because it
encodes structural characters (commas in this case) -- the MTA/MUA
might treat the whole 'Cc:' as one entry. Also, section 5 point 3 of the
RFC forbids encoding the addr-spec part (mail address if I understand
correctly).

Best Regards,
Micha=B3 Miros=B3aw