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What does the error message: TLS/SSL failure: myserver: Server name does not match certificate mean?

April 26, 2017Certificate Error failure mean message myserver server SSL TLS

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What does the error message: TLS/SSL failure: myserver: Server name does not match certificate mean?

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An SSL or TLS session encryption failed because the server name in the server’s certificate does not match the name that you gave it. This could indicate that the server is not really the system you think that it is, but can be also be called if you gave a nickname for the server or name that was not fully-qualified. You must use the fully-qualified domain name for the server in order to validate its certificate Use the /novalidate-cert option in the mailbox name to disable validation of the certificate.