Bug SMTP Error in XenForo 2.3.3

There is a bug in this version
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Code:

Code:
Symfony\Component\Mailer\Exception\TransportException: Email to test-0p59lv57x@srv1.mail-tester.com from support@example.com failed: Connection could not be established with host "ssl://smtp.protonmail.ch:587": stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages: error:0A00010B:SSL routines::wrong version number src/vendor/symfony/mailer/Transport/Smtp/Stream/SocketStream.php:154




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