Obtaining certificate chain for exchg.sussex.edu, one moment while we download the exchg.sussex.edu certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for exchg.sussex.edu, one moment while we re-check the exchg.sussex.edu certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for exchg.sussex.edu failed
Sorry, the request for exchg.sussex.edu could not be completed...
We could not load the certificate for exchg.sussex.edu, it might not exist or we could not reach the server, complete the TLS handshake, etc.
Revoked certificates can't and should not be trusted, these certificate will cause errors like "NET::ERR_CERT_REVOKED" in browsers and expose a security risk.