Ich hänge mich hier mal an. Forum passt das Zertifikat, jedoch auf
https://b1gmail.com/ passt wohl etwas nicht.
b1gmail.com verwendet ein ungültiges Sicherheitszertifikat. Das Zertifikat gilt nur für my.b1gmail.com. Fehlercode: SSL_ERROR_BAD_CERT_DOMAIN
https://b1gmail.com/
Sichere Kommunikation mit der Gegenstelle ist nicht möglich: Angeforderter Domainname stimmt nicht mit dem Zertifikat des Servers überein.
HTTP Strict Transport Security: false
HTTP Public Key Pinning: false
Zertifikatskette:
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----