On Thu, Dec 16, 2010, Jan Hejl wrote:

> Hello everyone,
>
> since i've updated openssl to 1.0.0 (first "b-r1" and "c" after) version 
> i'm unable to establish TLS connection to some mailservers - probably with 
> older binaries of openssl. Below is telnet connection with starttls to 
> mailserver.prestice-mesto.cz - Kerio Mailserver 6.0.10. I found out that 
> with never version of Kerio Mailserver TLS works. But today some other 
> machines didn't work with TLS.
>
> Anyone with same problem?
>

If it is OpenSSL 0.9.7 or earlier (which is ancient now) then the compression
formats are incompatible: the 0.9.7 version was based on an earlier draft of
the compression standard.

If you use -no_comp on the command line it should work. 

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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