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Normally, you would use a mail client for mail encryption. Though, I can access smartcard security functions from the browser for a secure login.

Therefore, is it possible to decrypt Outlook Web App S/MIME messages using same client in a web browser like Chrome/Firefox? OS is Ubuntu Linux.

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  • "in a web browser" - do you mean a web-based email client like Gmail? How are you planning on accessing the email? – schroeder Aug 30 '19 at 8:21
  • @schroeder both sender and receiver are Outlook Web App clients. Thanks, I've extended the question to make it clear. – J. Doe Aug 30 '19 at 8:39
  • That doesn't clarify. What does "same webclient" mean? – schroeder Aug 30 '19 at 8:43
  • do you mean like this? docs.microsoft.com/en-us/previous-versions/office/… – schroeder Aug 30 '19 at 9:45
  • I'm having trouble understanding what it is you want. My guess is that this is more of an Outlook config thing and not a security question. Either this should be asked of Microsoft or you need to piece together something with the parts you have, which means this is more of a SuperUser question. – schroeder Aug 30 '19 at 9:47

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