$ openssl s_client -starttls smtp -connect tavoliemailszerver:25
Connecting to tavoliemailszerverip
CONNECTED(00000003)
Didn't find STARTTLS in server response, trying anyway...
80709997DD7F0000:error:0A000126:SSL routines::unexpected eof while reading:ssl/record/rec_layer_s3.c:687:
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no peer certificate available
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No client certificate CA names sent
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SSL handshake has read 229 bytes and written 381 bytes
Verification: OK
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New, (NONE), Cipher is (NONE)
This TLS version forbids renegotiation.
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
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