> On Nov 8, 2018, at 9:51 PM, Eric Rescorla <e...@rtfm.com> wrote:
>
> I don't know what you consider "widespread", but presently both Chrome and
> Firefox support TLS 1.3, and our data shows that about 5% of Firefox
> connections use TLS 1.3. Chrome's numbers are similar and the numbers from
> the server side perspective are higher (last time I checked, Facebook was
> reporting > 50% TLS 1.3).
Even my SMTP submission server is seeing its fair share of TLS 1.3
connections, from the iPhones of some of its users...
The long tail of TLS 1.2 will persist for quite some time, but TLS
1.3 adoption ramp-up is happening.
--
Viktor.
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