Valimail

What the company sells

Valimail sells email authentication software delivered as a service, including a free tool that monitors DMARC enforcement status and a paid tool that automates SPF, DKIM, and DMARC setup and policy enforcement. The company was founded in 2015 and is headquartered in San Francisco, California. DigiCert acquired Valimail in September 2025.

Categories

• Email authentication and DMARC (primary category)

Headquarters

San Francisco, United States

Founded

2015

Ownership

Owned by DigiCert since 2025

Website

valimail.com

Products and services

• Monitor

  A free tool that shows the DMARC enforcement status of an organization's sending domains and flags gaps in coverage.

• Enforce

  A paid service that automates SPF, DKIM, and DMARC setup and policy enforcement, with reporting and analytics on authentication status.

Sources

1. ValimailUndated page, accessed September 27, 2026 · Tier A: the company, a regulator or a filing
2. ValimailPublished October 16, 2019 · Tier A: the company, a regulator or a filing
3. DigiCertPublished September 16, 2025 · Tier A: the company, a regulator or a filing

Recorded September 27, 2026 from the sources above. Descriptions are in our own words; we do not rank or recommend vendors, and no vendor pays to be listed or to change what we write. Disclosure: until the publisher confirms it has no business relationship with this company, treat one as possible (how the network works). Spot a factual error? Request a correction.