Hello, I am seeing a lot of these in my syslog logs. I am not sure what they mean, google did not yield a lot other than people calling out an incorrctly named cert/key

system.log:Jul 10 00:07:57 trex postfix/smtpd[45598]: warning: TLS library problem: 45598:error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol:s23_srvr.c:571:

The reason I am looking, is I am having trouble with a proxy that will sit in front of postfix. The basic workflow for the one domain I am testing the proxy in:
Internet -> Proxy -> Postfix

Proxy is geographically separate from postfix, not same subnet. I would like MTA to MTA crypto. Sometimes it works, and mail is delivered, and other times it is not.

An email will hit the proxy on port 25, which will talk to postfix also on port 25. STARTTLS is issued. At that point, the proxy will either make the crypto connection, and deliver the mail off to postfix, or, it will drop the connection.
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