Re: warning: TLS library problem: routines:ssl_choose_client_version:unsupported protocol?

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https://access.redhat.com/solutions/120383 Did you do the poodle block back in the day?  From: hamdi201...@gmail.com Sent: February 7, 2020 10:37 PM To: postfix-users@postfix.org Subject: warning: TLS library problem: routines:ssl_choose_client_version:unsupported protocol? Hi everyone. I have a php contact form, that reports the following postfix error (getting that in maillog file): https://hastepaste.com/view/jr41N The same applies for, when I send an e-mail to that e-mail address by using Outlook.  Obviously my mail server having troubles sending e-mails to some servers in public, perhaps the remote e-mail server doesn't has SSL/TLS activated, maybe? But, I don't enforce/force smtp tls, having: smtp_tls_security_level = may  - in my main.cf. How can I solve this problem from my side?  Thank you.