---
title: Upload a CA certificate
description: Upload a digital CA \(Certificate Authority\) certificate to validate email certificates for secure communication.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/platform-administration/upload-ca-certificate.html
release: australia
topic_type: task
last_updated: "2026-03-12"
reading_time_minutes: 1
breadcrumb: [Setting up S/MIME, Email encryption, Email Administration, Notifications, Configure core features, Administer the ServiceNow AI Platform]
---

# Upload a CA certificate

Upload a digital CA \(Certificate Authority\) certificate to validate email certificates for secure communication.

## Before you begin

Role required: admin

## Procedure

1.  Navigate to **All** > **System Notification** > **SMIME** > **CA Certificate**.

2.  Select **New**.

3.  Select the attachment icon \[Omitted image "attach-icon.png"\] Alt text: Attachment icon to upload the CA certificate.

4.  On the form, fill in the fields.

    |Fields|Descriptions|
    |------|------------|
    |Name|Unique name for the CA certificate.|
    |Type|The type of CA certificate.|
    |Expiration notification|Option to enable expiration.|
    |Warn in days to expire|Number of days to send a warning prior to the expiration date.|
    |Active|Option to enable the CA certificate.|
    |Short description|Description for the CA certificate.|

5.  Select **Submit**.


## What to do next

[Upload an email certificate](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/upload-email-certificate.md).

**Parent Topic:**[Setting up S/MIME for email](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/smime-for-email-signing-and-encryption.md)

**Related topics**  


[Import an S/MIME key pair]()

[Upload an email certificate]()

[Enable S/MIME]()