Procedure

1. Go to Advanced Threat Protection.
2. Click Internal Domains.
   The Internal Domains screen appears.
3. Add an internal domain.
   1. Specify a domain name that you want to exclude from scanning.
   2. Click Add to add the domain to the internal domain list.
4. Click Click here to add the existing domains in your user information to the internal domain list.
5. Click Import to import an internal domain list.
6. Click Export to export the existing internal domain list.
7. Click Save.