Knowledgebase : URL Defense
This article has been migrated to our Help System HELP SYSTEM URL: https://help.proofpoint.com/Proofpoint_Essentials/Administrator_Topics/Other_Features/Troubleshooting_issues_with_URL_Defense
This article has been migrated to our Help System HELP SYSTEM URL: https://help.proofpoint.com/Proofpoint_Essentials/Knowledge_Base/FAQs/URL_Defense_FAQ's