List of known certificates

The List of known certificates can be used to customize ESET Mail Security behavior for specific SSL/TLS certificates, and to remember actions chosen if Interactive mode is selected in SSL/TLS protocol filtering mode. The list can be viewed and manged by clicking Edit next to List of known certificates.

You can choose from the following actions:

Add - add a certificate from a URL or File.

Edit - select the certificate that you want to configure and click Edit.

Remove - select the certificate that you want to delete and click Remove.

Once you are in Add certificate window, click URL or File and specify the certificate URL or browse for a certificate file. The following fields will automatically be filled using data from the certificate:

Certificate name - name of the certificate.

Certificate issuer - name of the certificate creator.

Certificate subject - the subject field identifies the entity associated with the public key stored in the subject public key field.

Options you can configure:

Select Allow or Block as the Access action to allow/block communication secured by this certificate regardless of its trustworthiness. Select Auto to allow trusted certificates and ask for untrusted ones. Select Ask to receive a prompt when a specific certificate is encountered.

Select Scan or Ignore as the Scan action to scan or ignore communication secured by this certificate. Select Auto to scan in automatic mode and ask in interactive mode. Select Ask receive a prompt when a specific certificate is encountered.


Click OK to save your changes or click Cancel to exit without saving.