ARCHIVED: Use digital signatures for email on Windows 10 Mobile phones

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Note:
The instructions below apply only to Windows 10 Mobile phones. Other versions aren't supported.

On this page:

Before you begin

At Indiana University, you can use ARCHIVED: S/MIME client certificates from the InCommon Certificate Service to digitally sign and/or ARCHIVED: encrypt email messages. For instructions on getting a client certificate, see ARCHIVED: Get an S/MIME client certificate for digital email signatures at IU. For information about potential issues affecting various applications and devices, see ARCHIVED: Known issues with using S/MIME client certificates to digitally sign or encrypt email at IU.

You should already have your certificate file from InCommon on your personal computer. If you are unable to find your certificate file, you can export it from the certificate management application for your computer. For export instructions, see ARCHIVED: Use digital signatures for email with Apple Mail and Outlook for macOS or Disable your client certificate.

Install your certificate

  1. From your computer, send yourself an email message with your certificate as an attachment.
  2. On your Windows 10 Mobile phone, open the email message and tap the Signed message link, and then tap the certificate attachment.
  3. Enter the password for the certificate file, and tap Done.
  4. To install the certificate, tap Install.
  5. Tap OK.

Send a digitally signed message

  1. On your Windows 10 Mobile phone, open Exchange.
  2. Create a message, entering addressee(s), subject, and message content.
  3. At the lower right, tap ... (the option button), and select add digital signature. The certificate icon and "Signed message" will appear just below the email message's subject line and above the message content.
  4. Tap Send.

Use a group account certificate

To use an S/MIME client certificate with a group account, install and enable the certificate as you would for a standard account.

Notes:
  • If the profile you are using in your email client is the group account, there should be no issues.
  • If the profile you are using in your email client is your personal account and you want to send email from the group account, in your email message, open the "From" field and enter the group account address. If your personal account has "send as" rights for the group account, there should be no issues. If you are unsure whether you have "send as" rights, contact your IT Pro.

This is document akqz in the Knowledge Base.
Last modified on 2021-09-07 17:10:59.