Instead of routing all outbound messages directly to the Internet, you should route your organization's…
Add domain
Before you can use incoming and outgoing filtering, you have to add the domain to the SpamBull spam filter.
1. Sign in to the SpamBull admin center.
2. Click on General > Add domain.
3. Enter your fully qualified domain name (FQDN).
4. Click Continue.
5. Click Next.
6. Click Add and configure.
7. Click on General > Domains overview and verify that you see the domain.
You added the domain successfully to the SpamBull spam filter.