Valimail is an email authentication and security monitoring platform, headquartered in Boulder, United States, founded in 2015.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2019-06-19 | Series C | $45M | Insight Partners |
| 2018-05-22 | Series B | $25M | Tenaya Capital, Bloomberg Beta, Flybridge, Shasta Ventures |
| 2016-11-02 | Series A | $12.5M | Shasta Ventures, Bloomberg Beta, Flybridge |
| 2016-05-05 | Seed | $1.5M | Bloomberg Beta, Chang Corporation, Flybridge, Wayne Chang |
| 2015-09-28 | Pre-Seed | Undisclosed | Flybridge |
Valimail was acquired by DigiCert (2025-09-16).
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.