Sophos Outlook add-in encrypt forwarded messages
When a user replies or forwards a message that was previously sent as encrypted, the Outlook ribbon will show the Encrypt button as being pressed. This gives the end-user the impression that the mail will be sent as encrypted. But the add-in will not insert the "x-sophos-spx-encryption: yes" line in the e-mail header, so the XG will not encrypt the message. Please get the Outlook add-in fixed so that will properly modify the e-mail header when the Encrypt button is shown as pressed.