> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abusix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Symantec Email Gateway

To add Guardian Mail

In the Symantec Email Gateway appliance, in the Control Center, go to Reputation -> Bad Senders, ensure that ‘Enable Third-Party Bad Sender detection’ is enabled, click ‘Add’, and enter:

```
<APIKEY>.combined.mail.abusix.zone.
```

Replace \<APIKEY> with “**Your API key”** from your account in [app.abusix.com](http://app.abusix.com).

Please make sure the Action is set to ‘Reject [SMTP](https://abusix.com/glossary/simple-mail-transfer-protocol/) Connection’ and then click ‘Save.’