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How to Register for Secure Email

The first time you receive a secure email sent from Stanford, you are required to register your email address with the Cisco Registered Envelope Service (CRES) or Proofpoint Encryption, depending on the service used to encrypt and deliver the message. For subsequent messages, you will only need to enter your password.


  • You need to register each email address that you use to receive secure email.
  • You do not need to register your Stanford Email account (or that of other trusted domains such as or in order to read secure email. It arrives in your Inbox as any other message.
  • Register the final destination email address. For example, if your email is forwarded from Stanford to Gmail and you're reviewing the secure message in Gmail, register that Gmail address.

Register your email address with Proofpoint Encryption

  1. Open the message. It will have "Secure:" in the subject line and will have an attachment.
  2. Click the Click here link to access the registration form.

    Proofpoint secure email message
  3. Fill out the registration screen and then click Continue.

    Proofpoint registration form
  4. Click the attachment to open the message.

Register your email address with Cisco Registered Envelope Service (CRES)

  1. Open the message. It will have "Secure:" in the subject line and will have an attachment.

    email program Inbox
  2. Open the attachment.

    secure message notification
  3. Depending on your email program, click Open or Register.

    Note: If your Stanford Email account messages are forwarded to another mailbox (for example, from Stanford to Yahoo or Gmail), you need to register the forwarded address instead of the address of your Stanford Email account. See Secure Email with Forwarded Accounts for more information.

    start registration process
  4. Fill out the registration form and then click Register.

    registration form
  5. When the New User Registration page is displayed, close your browser window.

    new user registration window
  6. Check your email and open the message with the subject Please activate with CRES.

    activation message in Inbox
  7. On the Activation page, click the link titled Click here to activate this account.
    Note: This page contains your cancellation number if you want to close your CRES account.

    activate account
  8. The Email Address Confirmed page is displayed when your account has been activated. Close your browser window.

    email address confirmed page
  9. Return to your email Inbox. Open your secure message and then open the attachment.
  10. Enter your CRES password and then click Open to read the message.

    enter secure email password
Last modified November 7, 2016