Hello Byung-Hee,
I do have all of the following in my TLS policy: 
domain          may
mx.domain               may
[mx.domain]:25          may
and it doesn´t work for me.
Thanks,
Joachim

-----Ursprüngliche Nachricht-----
Von: owner-postfix-us...@postfix.org <> Im Auftrag von Byung-Hee HWANG
Gesendet: Friday, 27 May 2022 11:01
An: postfix-users@postfix.org
Betreff: Re: transport map with TLS policies?

Hellow Joachim,

"Joachim Lindenberg" <postfix-us...@lindenberg.one> writes:

> I wanted to send a mail to a domain yesterday, that was using dead MX 
> records and one the one MX that was alive, was presenting an untrusted 
> certificate (my server uses verify by default). I added a transport 
> map (or “route” as mailcow-dockerized calls it) that points to the 
> alive MX plus a TLS policies for the domain and MX that asks for 
> “may”, but flushing the queue I still got “untrusted certificate”. I 
> temporarily changed my default to may and the mail was delivered.
>
> Are TLS policies applied at all after setting a domain specific transport?

This are my example:
gmail.com  verify
[yw-1204.doraji.xyz]:2525       encrypt

yw-1204 is smtp server -- [FQDN], which is just relay server.
gmail.com is domain, which have MX(s).

> I cannot rule out that the problem is mailcow specific of course.
>
> Thanks,
>
> Joachim
>

Thanks,

Sincerely, Linux fan Byung-Hee

--
^고맙습니다 _地平天成_ 감사합니다_^))//

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