I found that the "Text and Metadata Extraction" Stage does not extract the Message_Bcc field from email metadata. In our case our emails are enveloped .eml files stored in HCP. We are running HCI patch level V18.104.22.168
I ran a simple test where I put my colleague Keith in the Bcc field in the email
Then I the document through a simple pipeline test which looks like this:
But no Message_Bcc was discovered:
Have you seen this behavior before, I can send the test email if needed.