Em 18/08/2020 09:42, @lbutlr escreveu:
The specific info on this can be found on 
http://www.postfix.org/TLS_README.html#client_tls_policy  which says, 
specifically:

#v+
A small fraction of servers offer STARTTLS but the negotiation consistently 
fails. As long as encryption is not mandatory, the Postfix SMTP client retries 
the delivery immediately with TLS disabled, without any need to explicitly 
disable TLS for the problem destinations.


    Awesome ... seems i skipped that paragraph. Thanks for pointing that.

    about the other suggested smtp_tls_* changes, yes i have issued some of them to enable logging and also excluding some pretty outdated ciphers.

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        Solutti Tecnologia
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