Proofpoint's Email Protection solutions, available as either a cloud service or an on-premises installation, offer robust defense against both malware and non-malware threats, such as impersonation emails and business email compromise (BEC). Its fine-tuned email filtering effectively manages spam, bulk "graymail," and additional unwanted messages. Moreover, the system ensures uninterrupted email communication even during server outages. Recognized as the premier email gateway in the industry, Proofpoint captures a wide range of threats, including those that may elude other systems. Utilizing advanced machine learning through NexusAI, Email Protection efficiently categorizes different email types and identifies threats that lack malicious payloads, including impostor emails via its Advanced BEC Defense feature. Additionally, users can automatically tag potentially suspicious messages to enhance awareness and can quickly locate any email within seconds, ensuring a comprehensive approach to email security. This layered defense provides organizations with peace of mind while navigating the complexities of email communication.