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Secure connection failed www.mozilla.org uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The
having security isssues all day trying to set up thunderbird. noticed that my key chain was being tampered with.
having security isssues all day trying to set up thunderbird. noticed that my key chain was being tampered with.
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See if this article helps. https://support.mozilla.org/en-US/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER