After deployment is completed you may try using StealthMail.
You will need a Microsoft Outlook 2013+ and StealthMail Add-in for it.
After the download is completed, launch stealthmail_add_in_[...].exe and follow the installation wizard.
Once StealthMail is installed, start Outlook and open StealthMail tab.
Click on the Accounts in the Outlook ribbon.
In the appeared right panel click on the button Add account.
We assume that your email that you added to Azure Active Directory is already added to Outlook.
Select your email account and enter your company’s main domain into the according field.
Click Next button.
Enter a verification code which was sent to your phone number.
This phone number has to be set in the user account profile in Azure Active Directory.
Create strong password for your StealthMail account and confirm it.
Click Next to continue.
After this step the registration of your StealthMail account is completed.
Now you can send and read secure email. Just make sure you selected Secure mode in the green panel under the ribbon.
When you click the Send button the content of your email will be cut from it, encrypted and saved to the protected storage. The Stealth-Link to encrypted email content will be sent with the email.
While you disconnected you can not read secure email.
To access secure emails - authorize in your StealthMail account.
To let other users register a StealthMail account in easier way, send them a secure StealthMail email. Users will get an account registration wizard just by opening a secure email (see video guides here).
Just make sure they installed one of the client applications:
That’s it. You have successfully deployed and used StealthMail service! Now your emails will be completely secure and accessible only by those who the email were addressed to.
If client applications have issues with connection to the StealthMail service after the deployment please refer to this troubleshooting page.