errors in mail.err related with ssl

[Poliman - Serwis]

Hi. I have in mail.err file lines like below:

Nov  5 08:40:00 s1 dovecot: imap-login: Error: SSL: Stacked error:
error:1407609C:SSL routines:SSL23_GET_CLIENT_HELLO:http request

Nov  5 08:40:00 s1 dovecot: imap-login: Error: SSL: Stacked error:
error:1408A10B:SSL routines:ssl3_get_client_hello:wrong version number

Nov  5 08:40:05 s1 dovecot: pop3-login: Error: SSL: Stacked error:
error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol

Nov  5 08:43:07 s1 dovecot: pop3-login: Error: SSL: Stacked error:
error:1408A0C1:SSL routines:ssl3_get_client_hello:no shared cipher

Nov  5 08:53:31 s1 dovecot: pop3-login: Error: SSL: Stacked error:
error:14094085:SSL routines:ssl3_read_bytes:ccs received early

What do the above mean? I suppose that somebody tries connect but uses too
old/weak ssl version.

-- 

*Pozdrawiam / Best Regards*
*Piotr Bracha*
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