Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

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Cisco IronPort AsyncOS 7.6 for Email Advanced Configuration Guide

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Chapter 5 Email Authentication

Importing or Entering Existing Signing Keys

To enter an existing key:

Step 1

Click Add Key on the Mail Policies > Signing Keys page. The Add Key page is displayed.

Step 2

Paste the key into the Paste Key field (must be PEM-formatted and must be RSA keys only).

Step 3

Submit and commit your changes.

To import keys from an existing export file (see

Step 1

Click Import Keys on the Mail Policies > Signing Keys page. The Import Key page is displayed.

Step 2

Select the file that contains the exported signing keys.

Step 3

Click Submit. You are warned that importing will replace all existing signing keys. All of the keys in
the text file are imported.

Step 4

Click Import.

Deleting Signing Keys

Step 1

To remove specific keys from the list of signing keys:

Step 2

On the Signing Keys page, mark the checkbox to the right of each signing key to remove.

Step 3

Click Delete.

Step 4

Confirm the deletion.

To remove all of the currently configured signing keys:

Step 1

Click Clear All Keys on the Signing Keys page.

Step 2

You are prompted to confirm the deletion.

Generating a DNS Text Record

To generate a DNS text record:

Step 1

Click the Generate link in the DNS Text Record column for the corresponding domain profile. The
Generate DNS Text Record page is displayed: