StealthMail
for Outlook
Download for Outlook v 1.5.3.4
You also may download previous versions
Requires: Microsoft Outlook 2013, Outlook 2016 or Outlook for Office365
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To decrypt StealthMail Emails you will need a Client Application.
Download it, install, add your Email account and register StealthMail account in it. Click on a Stealth-link in received secure email. StealthMail will open and decrypt your secure Email.
StealthMail Add-in manual
for Microsoft Outlook