For PhishID to work you will need to Allow the following domains within your Content Filtering solution:
- storage.pixm.net
- api.pixm.net
- external.pixm.net
- alert.pixm.net
- phishid.pixm.net
- app.pixm.net
- pixmwebappprod.z13.web.core.windows.net
- pixmwebappprod.blob.core.windows.net
- 52.190.24.13
- 52.191.34.100
- alert.suspicious-site-detected.com