> On Mar 20, 2016, at 12:22 PM, Rick Zeman <rze...@gmail.com> wrote:
>
> Mar 20 12:12:53 miniserv postfix/smtpd[43174]: warning: TLS library
> problem: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown
> protocol:/BuildRoot/Library/Caches/com.apple.xbs/Sources/OpenSSL098/OpenSSL098-59/src/ssl/s23_srvr.c:602:
Some SMTP client on the Internet has a broken TLS stack or is using SSLv2 or
SSLv3
which you have (correctly) disabled. Often such clients are doing SSL/TLS usage
surveys, or are botnet nodes, ... Finding legitimate SMTP clients broken in
this
way is very rare. Your logs contain more information about the connection.
--
Viktor.
