TLS certificate
The certificate is in date but the chain did not verify.
mailjet.com (MAILJET SAS)
issued by DigiCert Global G2 TLS RSA SHA256 2020 CA1 (DigiCert Inc)
DigiCert Global G2 TLS RSA SHA256 2020 CA1 (DigiCert Inc)
issued by DigiCert Global Root G2 (DigiCert Inc)
DigiCert Global Root G2 (DigiCert Inc)
root