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Release: Australia · Updated: 2026-03-12 · Official documentation · View source

Upload an email certificate

Upload an email certificate to validate a signature for inbound email or encrypt an outbound email or both for secure communication.

Before you begin

  • To enable signing in the instance, upload the private-public key pair corresponding to the instance email account.
  • To enable encryption in the instance and send encrypted email to a recipient's email address, upload the public key/certificate corresponding to the recipient’s email address.

Role required: admin

Procedure

  1. Navigate to All > System Notification > SMIME > Email Certificate.

  2. Select New.

  3. Select the attachment icon

Image omitted: attach-icon.png
Attachment icon to upload the email certificate.
  1. On the form, fill in the fields.

    FieldsDescriptions
    EmailEmail address for sending the email.
    Expiration notificationSelect the check box to enable expiration.
    Notify on expirationAdd yourself to be notified before expiration.
    Warn in days to expireNumber of days to send the warning prior to the expiration date.
    ActiveCheck box to enable the email certificate.
    Key store passwordKey password to protect PKCS #12 file.
    Short descriptionThe description for this email certificate.
  2. Select Submit.

What to do next

EnableEnable S/MIME.

Parent Topic:Setting up S/MIME for email

Related topics

Import an S/MIME key pair

Upload a CA certificate

Enable S/MIME