CISO Tribune

Vendor comparison · 2 companies

Mimecast vs Valimail

Mimecast describes the problem it addresses as human risk. Valimail is a DMARC and email authentication company that sells Monitor, a free tool for domain visibility, Enforce, a tool for continuous DMARC enforcement, and Amplify, an add-on for showing a brand logo in the inbox. CISO Tribune files both under Email authentication and DMARC. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Mimecast
  • Valimail
Mimecast vs Valimail: Products, Customers and Funding Compared
MimecastMimecast describes the problem it addresses as human risk.mimecast.comValimailValimail is a DMARC and email authentication company that sells Monitor, a free tool for domain visibility, Enforce, a tool for continuous DMARC enforcement, and Amplify, an add-on for showing a brand logo in the inbox.valimail.com
What it sells
  • Managed Threat Response[8]24x7 analyst response to every user-reported email.
  • Monitor[1][5][7][8]A free tool that shows the enforcement status of sending domains.
  • Enforce[1][5][7][9][10]Software that uses automation to give continuous DMARC protection.
  • Amplify[5][10]An add-on for Enforce customers that controls how a logo appears in the inbox.
Categories
Headquarters
London, United Kingdom[1]San Francisco, United States
Founded
2003[1][6]2015[2][5][6]
Ownership and funding
Owned by Permira since 2022[3][4][8][13][14][19]Owned by DigiCert since 2025[3][4]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • June 25, 2026Mimecast appointed Ranjan Singh as its Chief Executive Officer.[12]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen November 3, 2026[4]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, Mimecast sells mainly to organizations that want to reduce risk caused by human actions across email, chat and file-sharing. Its pages say its plans are designed for businesses of all sizes, and its customer stories cover both small and medium businesses and enterprises. Mimecast says Incydr offers FedRAMP-authorized solutions suited to government agencies and contractors. It describes Cloud Archive as helping IT, Legal, Compliance and HR teams respond to legal inquiries or compliance audits. Its pages also point to security teams that handle user-reported email and insider risk.From its own pages, Valimail sells mainly to organizations of all sizes that want to protect their brands and prevent phishing. Valimail positions Monitor, which is free, for organizations that want visibility into the enforcement status of their sending domains. Valimail positions Enforce for organizations that want continuous DMARC protection, and describes Enforce as FEDRAMP-certified. Valimail positions Amplify for Enforce customers that are already at DMARC enforcement and want their logo in the inbox.
Last verified
September 27, 2026November 2, 2026

Where they overlap

  • Mimecast and Valimail are both filed under Email authentication and DMARC.

Where they differ, field by field

  • Mimecast's primary category is Email security; Valimail's is Email authentication and DMARC.
  • Mimecast is also filed under Collaboration app security and Insider risk management.
  • Mimecast lists Managed Threat Response. Valimail lists Monitor, Enforce and Amplify.
  • Mimecast is headquartered in London, United Kingdom. Valimail is headquartered in San Francisco, United States.
  • Mimecast was founded in 2003. Valimail was founded in 2015.
  • Mimecast is owned by Permira, since 2022. Valimail is owned by DigiCert, since 2025.

What it sells: Mimecast

What Managed Threat Response does[8]
Mimecast Managed Threat Response has analysts investigate, classify and remediate each email users report. It works with the existing report button.

What it sells: Valimail

What Monitor does[1][5][7][8]
Monitor shows the enforcement status of all sending domains, including which domains are passing and failing DMARC, aligned SPF and DKIM, and overall disposition. Monitor identifies thousands of sending services.
What Enforce does[1][5][7][9][10]
Enforce automates email authentication, enforces policy decisions, and provides real-time reporting and analytics. Enforce includes one-click authorization of pre-configured sending services. Valimail describes Instant SPF as patented software for overcoming SPF limits.
What Amplify does[5][10]
Amplify is an add-on product for Enforce customers that controls how a logo appears in a customer's inbox. Amplify fast tracks BIMI implementation for companies already at DMARC enforcement. Amplify streamlines acquiring and managing a Verified Mark Certificate or Common Mark Certificate.

Questions about Mimecast and Valimail

What do Mimecast and Valimail sell?
Mimecast sells Managed Threat Response. Valimail sells Monitor, Enforce and Amplify.
Are Mimecast and Valimail in the same category?
They share Email authentication and DMARC. Mimecast's primary category is Email security and Valimail's is Email authentication and DMARC.
Where are Mimecast and Valimail headquartered?
Mimecast is headquartered in London, United Kingdom. Valimail is headquartered in San Francisco, United States.
When were Mimecast and Valimail founded?
Mimecast was founded in 2003. Valimail was founded in 2015.
Who owns Mimecast and Valimail?
Mimecast is owned by Permira, since 2022. Valimail is owned by DigiCert, since 2025.
Who are Mimecast and Valimail sold to?
From its own pages, Mimecast sells mainly to organizations that want to reduce risk caused by human actions across email, chat and file-sharing. From its own pages, Valimail sells mainly to organizations of all sizes that want to protect their brands and prevent phishing.
What have Mimecast and Valimail announced recently?
June 25, 2026: Mimecast appointed Ranjan Singh as its Chief Executive Officer.

About Mimecast

Mimecast describes the problem it addresses as human risk. Its solutions page says Mimecast offers a unified and dynamic solution to rapidly identify and reduce risk caused by human actions and to empower users to make smarter security decisions. Mimecast says a unified platform with integrated protection across email, chat and file-sharing is essential to safeguard an organization's collaboration.[2][5][15]

For email and collaboration threat protection, Mimecast says its solution blocks phishing, BEC, impersonation, malware and collaboration-based attacks using adaptive AI across email, Teams, Slack and more.[2][11][16]

Mimecast Managed Threat Response is a managed service for emails that users report. Mimecast says each report is analyst-investigated, classified and remediated 24x7. Mimecast says the service works with the existing report button and that API outputs route to a SIEM, SOAR or case management platform.

For insider risk, Mimecast Incydr is the data protection product. Mimecast says Incydr brings email, endpoint, cloud, browser and agentic risk surfaces into one view, scored for risk and tied back to people. Mimecast says Incydr offers adaptive controls that range from in-the-moment education to allow-with-justification to targeted blocking. The Agent Risk Center, part of Mimecast Incydr, discovers the agents operating in an environment, classifies their AI activity against the customer's rules, and applies controls to reduce data exposure. Mimecast says Incydr offers data residency options and FedRAMP-authorized solutions, and that an ultra-lightweight agent supports Windows, Mac and Linux.[2][9][18]

For security behavior management, Mimecast Engage delivers behavior-driven interventions powered by the Human Risk Command Center. Mimecast says Engage can deliver nudges via email, Slack or Teams, and that it offers 200+ training modules available in 27 languages. Mimecast says Engage connects with security tools such as CrowdStrike, Okta and Netskope.[2][7]

For archiving, Mimecast Cloud Archive provides self-service tools to collect, discover, preserve and review collaboration data. Mimecast says Supervision supports review, escalation, export and reporting, Sync & Recover protects files, folders, contacts, tasks and notes, and Archive for MS Teams keeps encrypted copies of Teams data.[9]

Mimecast says it protects and supports 42,000+ organizations globally and has done so since 2003. Its pages say it offers 300+ integrations.[2][9][10][11][17][18]

Mimecast on the record

Sources

Mimecast full record

  1. [1]CompanyMimecast · mimecast.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]ProductsMimecast · mimecast.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Permira completes acquisition of mimecastPermira · permira.com · published May 17, 2022 · Tier A
  4. [4]Human Risk Management & Advanced Email Security | MimecastMimecast · undated page, accessed October 26, 2026 · Tier A
  5. [5]Advanced Email Security | MimecastMimecast · undated page, accessed October 26, 2026 · Tier A
  6. [6]Mimecast Incydr | See & Stop Data Loss From Insiders | MimecastMimecast · undated page, accessed October 26, 2026 · Tier A
  7. [7]Security Awareness Training | MimecastMimecast · undated page, accessed October 26, 2026 · Tier A
  8. [8]Email Incident Response Service | MimecastMimecast · undated page, accessed October 26, 2026 · Tier A
  9. [9]Email Archive | MimecastMimecast · undated page, accessed October 26, 2026 · Tier A
  10. [10]Aware | Keep Collaboration Secure & Compliant | MimecastMimecast · undated page, accessed October 26, 2026 · Tier A
  11. [11]Cybersecurity Products and Services | MimecastMimecast · undated page, accessed October 26, 2026 · Tier A
  12. [12]Mimecast Appoints Ranjan Singh as Chief Executive OfficerGlobeNewswire · published June 25, 2026 · Tier A
  13. [13]Mimecast Advanced Email Security Reviews & Product Details - G2G2 · undated page, accessed October 26, 2026 · Tier C
  14. [14]Mimecast Reviews, Ratings & Features 2026 | Gartner Peer InsightsGartner Peer Insights · undated page, accessed October 26, 2026 · Tier C
  15. [15]Cyber Security Solutions | MimecastMimecast · undated page, accessed November 4, 2026 · Tier A
  16. [16]Email & Collaboration Threat Protection | MimecastMimecast · undated page, accessed November 4, 2026 · Tier A
  17. [17]Collaboration Threat Protection | MimecastMimecast · undated page, accessed November 4, 2026 · Tier A
  18. [18]Mimecast Plans | MimecastMimecast · undated page, accessed November 4, 2026 · Tier A
  19. [19]Mimecast Reviews, Ratings & Features 2026 | Gartner Peer InsightsGartner Peer Insights · undated page, accessed November 4, 2026 · Tier C

Valimail full record

  1. [1]valimail.comValimail · valimail.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Valimail opens denver innovation and engineering hubValimail · valimail.com · published October 16, 2019 · Tier A
  3. [3]Digicert acquires valimail global leader in email authenticationDigiCert · digicert.com · published September 16, 2025 · Tier A
  4. [4]Valimail Reviews 2026: Details, Pricing, & FeaturesG2 · undated page, accessed October 29, 2026 · Tier C
  5. [5]Product OverviewValimail · undated page, accessed November 3, 2026 · Tier A
  6. [6]About Us | ValimailValimail · undated page, accessed November 3, 2026 · Tier A
  7. [7]Free DMARC Monitoring | Try Monitor Today | ValimailValimail · undated page, accessed November 3, 2026 · Tier A
  8. [8]Try Monitor Free | ValimailValimail · undated page, accessed November 3, 2026 · Tier A
  9. [9]Enforce | ValimailValimail · undated page, accessed November 3, 2026 · Tier A
  10. [10]Amplify | ValimailValimail · undated page, accessed November 3, 2026 · Tier A
  11. [11]Success Stories | ValimailValimail · undated page, accessed November 3, 2026 · Tier A

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