How to check if an Outlook message is Digitally signed

I have a future requirement to see if uipath can verify if an email is digitally signed or not.
I’ve looked at the Outlook mail headers and found nothing that would point to whether or not the message is digitally signed.
this is NOT for an email signature…

Any help?

TIA, Sky

Verify the digital signature on a signed email message

  1. Open the digitally signed message .
  2. Look at the Signed By status line to check the email address of the person who signed the message . …
  3. To check whether the signature is valid, click.

Hope this will work.
best Regards