Tessian alternatives (2026)
8 ai email security tools listed alongside Tessian for side-by-side comparison on capabilities, pricing, and deployment. No editorial ranking.
Why look for Tessian alternatives?
Tessian is a strong option for ai email security, but it's not the right fit for every team. Common reasons teams look elsewhere: now part of proofpoint. future as standalone product uncertain; not a full email gateway replacement.
Below we list 8 alternatives, broken down by deployment model. All data is aggregated from official documentation and community feedback.