Enabling and disabling DKIM message authentication

To enable or disable DKIM Mail Sender Authentication:

1. In the main window of the program web interface, open the management console tree and select the Settings section and Protection subsection.
2. In the External Services section, click the Enable DKIM Mail Sender Authentication link to open the External Services window.
3. In the list to the right of the Enable DKIM Mail Sender Authentication setting name, select one of the following options:
   • Yes, if you want to enable DKIM Mail Sender Authentication.
   • No, if you want to disable DKIM Mail Sender Authentication.
4. Click the Apply button.

To enable DKIM message authentication, you have to allow Kaspersky Security 8 for Linux Mail Server to connect to the DNS server. If the connection to the DNS server is prohibited, DKIM Mail Sender Authentication is disabled.