I am looking for an email encryption solution I can deploy for internal HIPPA/PCI related email. External encryption is handled through a security applaince, but internal is plain text. I have used OpenPGP before and it works great except the plug in for Outlook will not encrypt html based emails, only plain text. This is a deal breaker for my executives. I have a PKI infrastructure, so I am thinking there might be a S/MIME solution that can encrypt html email. Any ideas?
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