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Re: [ietf-smtp] quoted-unprintable ?

Viktor Dukhovni <ietf-dane@dukhovni.org> Fri, 26 March 2021 18:03 UTC

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From: Viktor Dukhovni <ietf-dane@dukhovni.org>
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Date: Fri, 26 Mar 2021 14:03:12 -0400
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References: <20210321174103.BB02470D9908@ary.qy> <01RWXI9W6HXE0085YQ@mauve.mrochek.com> <80798a9f-d15-b647-e387-f83e4986caa6@dotat.at> <5e0f746-4e7c-f370-9f37-6dd9f73f2d86@taugh.com> <01RX3298GE140085YQ@mauve.mrochek.com> <ec115a16-71c4-c8b1-bc6-768eb964c66a@taugh.com> <b94b7ab5-db89-b45f-ff47-65e7813e56c9@digilicious.com>
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Subject: Re: [ietf-smtp] quoted-unprintable ?
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> 
> 
> On Mar 25, 2021, at 7:41 PM, Gene Hightower <gene@digilicious.com> wrote:
> 
> On 25/03/2021 15:45, John R Levine wrote:
> 
>> There's at least one value we need to avoid (zero)
> 
> NUL ('\0') is a valid ASCII character in message bodies.

Yes, in SMTP, but sadly rejected by a non-negligible fraction IMAP servers,
so it ultimately isn't actually safe in email bodies.

-- 
	Viktor.

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