Re: [exim] Expiriences with TLS 1.3

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著者: Andrew C Aitchison
日付:  
To: Jeremy Harris
CC: exim-users
題目: Re: [exim] Expiriences with TLS 1.3
On Mon, 28 Jan 2019, Jeremy Harris via Exim-users wrote:

> On 28/01/2019 10:50, Cyborg via Exim-users wrote:
>> is anyone of you running TLS 1.3 already ?
>
> It functions fine in the Exim regression-test suite,
> on systems having suitable library support.
>
> I've not seen any such connections in production yet.


I see many header lines like:

Received: from smtp.spodhuis.org ([2a02:898:31:0:48:4558:736d:7470]:34422
helo=mx.spodhuis.org)
by hummus.csx.cam.ac.uk with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256)
(Exim 4.91) (envelope-from <pdp@???>) id 1f8ZjZ-0007nY-8Q
for exim-dev@???; Wed, 18 Apr 2018 00:09:57 +0100

in my exim email folder.

I believe this means that at least the exim server receives TLSv1.3
connections from at least one exim developer
and has been doing so for about nine months.

-- 
Andrew C. Aitchison                    Cambridge, UK
             andrew@???