disable TLS 1.3 on postfix

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disable TLS 1.3 on postfix

Security Admin (NetSec)
What is the correct procedure to disable TLS 1.3 negotiation on postfix?    
   

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Re: disable TLS 1.3 on postfix

Benny Pedersen-2
Security Admin (NetSec) skrev den 2019-06-22 19:15:
> What is the correct procedure to disable TLS 1.3 negotiation on
> postfix?

why ?

i am not an expert, but i think you will not get that to work well, imho
show logs for the problem to get more help
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Re: disable TLS 1.3 on postfix

Viktor Dukhovni


> On Jun 22, 2019, at 1:30 PM, Benny Pedersen <[hidden email]> wrote:
>
>> What is the correct procedure to disable TLS 1.3 negotiation on postfix?
>
> why ?
>
> i am not an expert, [...]

Best to hold back in that case...  The right answer is:

  http://www.postfix.org/postconf.5.html#smtpd_tls_protocols
  http://www.postfix.org/postconf.5.html#smtp_tls_protocols

--
        Viktor.