Obtaining certificate chain for smtp.chambana.net, one moment while we download the smtp.chambana.net certificate and related intermediate certificates...
Revocation check via OCSP and CRL for smtp.chambana.net failed
Sorry, the request for smtp.chambana.net could not be completed...
We could not load the certificate for smtp.chambana.net, 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.