CISO Tribune

Vendor comparison · 2 companies

Red Sift vs Valimail

Red Sift helps security and IT teams embrace the security protocols that keep the internet safe, such as DMARC, SPF, DKIM and TLS. 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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  • Red Sift
  • Valimail
Red Sift vs Valimail: Products, Customers and Funding Compared
Red SiftRed Sift helps security and IT teams embrace the security protocols that keep the internet safe, such as DMARC, SPF, DKIM and TLS.redsift.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
  • Red Sift OnDMARC[2][9]Email authentication product for DMARC enforcement.
  • 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[5][6]San Francisco, United States
Founded
2015[3]2015[2][5][6]
Ownership and funding
Privately held[2][4][15]Owned by DigiCert since 2025[3][4]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • October 21, 2026Red Sift notified customers with potentially affected hosts after scanning the Hardenize customer base for PHP-backed hosts, following the PHP security fixes.[18]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen November 4, 2026[15]
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 3, 2026[4]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, the company sells mainly to security and IT teams that want to adopt protocols such as DMARC, SPF, DKIM and TLS. Save the Children also appears as a customer story for OnDMARC. The about page says the company works across EMEA, APAC and the US.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

  • Email authentication and DMARC is the primary category of both Red Sift and Valimail.
  • Both were founded in 2015.

Where they differ, field by field

  • Red Sift is also filed under External attack surface management, Digital risk protection and Machine identity and PKI.
  • Red Sift lists Red Sift OnDMARC. Valimail lists Monitor, Enforce and Amplify.
  • Red Sift is headquartered in London, United Kingdom. Valimail is headquartered in San Francisco, United States.
  • Red Sift is privately held. Valimail is owned by DigiCert, since 2025.

How they differ

CISO Tribune files both Red Sift and Valimail under Email authentication and DMARC as their primary category, and both were founded in 2015. Red Sift is headquartered in London, United Kingdom, and is privately held. Valimail is headquartered in San Francisco, United States, and has been owned by DigiCert since 2025.

Red Sift sells Red Sift OnDMARC, an email authentication product that lets customers configure SPF, DKIM, DMARC, BIMI and MTA-STS in one place. CISO Tribune also files Red Sift under External attack surface management, Digital risk protection, and Machine identity and PKI. Its offering includes DNS Guardian for DNS monitoring, and Brand Trust, which Red Sift says can scan up to 150 million domains daily. Red Sift names Save the Children as a customer story for OnDMARC. On October 21, 2026, Red Sift notified customers with potentially affected hosts after scanning the Hardenize customer base for PHP-backed hosts.

Valimail sells three products: Monitor, a free tool that shows the enforcement status of sending domains; Enforce, software that uses automation for continuous DMARC protection; and Amplify, an add-on for Enforce customers that controls how a logo appears in the inbox. Valimail describes Enforce as FEDRAMP-certified.

What it sells: Red Sift

What Red Sift OnDMARC does[2][9]
Red Sift OnDMARC gives instant visibility into a domain's email security posture and a clear path to DMARC enforcement. It lets customers configure SPF, DKIM, DMARC, BIMI and MTA-STS in one place. Red Sift says it helps organizations reach full DMARC enforcement in just 6 to 8 weeks.

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 Red Sift and Valimail

What do Red Sift and Valimail sell?
Red Sift sells Red Sift OnDMARC. Valimail sells Monitor, Enforce and Amplify.
Are Red Sift and Valimail in the same category?
Yes. Email authentication and DMARC is the primary category of both on CISO Tribune.
Where are Red Sift and Valimail headquartered?
Red Sift is headquartered in London, United Kingdom. Valimail is headquartered in San Francisco, United States.
When were Red Sift and Valimail founded?
Both were founded in 2015.
Who owns Red Sift and Valimail?
Red Sift is privately held. Valimail is owned by DigiCert, since 2025.
Who are Red Sift and Valimail sold to?
From its own pages, the company sells mainly to security and IT teams that want to adopt protocols such as DMARC, SPF, DKIM and TLS. From its own pages, Valimail sells mainly to organizations of all sizes that want to protect their brands and prevent phishing.
What have Red Sift and Valimail announced recently?
October 21, 2026: Red Sift notified customers with potentially affected hosts after scanning the Hardenize customer base for PHP-backed hosts, following the PHP security fixes.

About Red Sift

Red Sift helps security and IT teams embrace the security protocols that keep the internet safe, such as DMARC, SPF, DKIM and TLS. Red Sift says it is creating a fundamentally safer internet through proactive security across email, web and PKI.[7][8]

Red Sift OnDMARC is the company's email authentication product. Red Sift says OnDMARC gives instant visibility into a domain's email security posture and a clear path to DMARC enforcement. Red Sift says OnDMARC helps organizations reach full DMARC enforcement in just 6 to 8 weeks. OnDMARC lets customers configure SPF, DKIM, DMARC, BIMI and MTA-STS in one place. Red Sift OnDMARC includes integrated VMC provisioning to simplify BIMI adoption.[9]

Red Sift Radar is part of the OnDMARC offering. Red Sift says Radar pinpoints the root cause of issues like misaligned SPF records or unauthorized IPs. DNS Guardian provides continuous monitoring of DNS configuration to prevent SubdoMailing, dangling DNS and CNAME takeovers.[9]

Red Sift describes it as detecting, monitoring and taking down malicious lookalikes with AI-powered domain and brand protection. Red Sift says Brand Trust can scan up to 150 million domains daily. Brand Trust lets teams issue takedown packages, escalate to enforcement bodies, or integrate intelligence into a SIEM and SOC. Social Media Monitoring in Brand Trust detects and removes fake profiles across Facebook, Instagram, X, TikTok, YouTube and LinkedIn.[11]

Red Sift describes the problem it addresses as impersonation attacks against a brand. Its pages say that without DMARC, attackers can send spoofed emails from a domain to customers' inboxes, and that lookalike domains and phishing websites can be used to scam customers. Red Sift says it helps resource constrained security and IT teams reach DMARC enforcement in just 6-8 weeks.[7]

Red Sift names customers across several sectors. Red Sift also publishes guidance aimed at healthcare organizations and at MSPs offering DMARC services.[16][17]

Red Sift says it works across EMEA, APAC and the US. Red Sift says it has team members in 18 countries. Red Sift's homepage refers to 1,500+ security teams that choose it.[1][7][8][9][10][12][13][14]

Red Sift on the record

Sources

Red Sift full record

  1. [1]redsift.comRed Sift · redsift.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]The Red Sift Pulse PlatformRed Sift · undated page, accessed September 27, 2026 · Tier A
  3. [3]Cloud email security brand protection startup red sift rises 54mSiliconANGLE · siliconangle.com · published February 24, 2022 · Tier B
  4. [4]6977295001Austin American-Statesman · statesman.com · published March 4, 2022 · Tier B
  5. [5]Red sift joins future fifty 2026 cohort unveiled by chancellor at downing streetRed Sift via EIN Presswire · thestarpress.com · published March 19, 2026 · Tier B
  6. [6]Red siftThe Wealth Mosaic · thewealthmosaic.com · undated page, accessed September 27, 2026 · Tier C
  7. [7]Red Sift | Creating a Fundamentally Safer Internet with Proactive SecurityRed Sift · undated page, accessed October 27, 2026 · Tier A
  8. [8]Proactive, intelligent security for every organization.Red Sift · undated page, accessed October 27, 2026 · Tier A
  9. [9]Red Sift OnDMARC | Stop Email Spoofing FastRed Sift · undated page, accessed October 27, 2026 · Tier A
  10. [10]OnDMARC Pricing | Plans for SMB to Enterprise + Free TrialRed Sift · undated page, accessed October 27, 2026 · Tier A
  11. [11]Stop lookalike domains before they damage your brandRed Sift · undated page, accessed October 27, 2026 · Tier A
  12. [12]Bird & Bird strengthens trust in legal communications with layered email and domain protectionRed Sift · undated page, accessed October 27, 2026 · Tier A
  13. [13]Find and fix issues 10x faster with Red Sift RadarRed Sift · undated page, accessed October 27, 2026 · Tier A
  14. [14]Red Sift Certificates Lite | Free Certificate MonitoringRed Sift · undated page, accessed October 27, 2026 · Tier A
  15. [15]Red Sift OnDMARC Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 27, 2026 · Tier C
  16. [16]How to Price and Package DMARC Services for Your MSP | Red SiftRed Sift · undated page, accessed November 4, 2026 · Tier A
  17. [17]DMARC solutions for healthcare organizationsRed Sift · undated page, accessed November 4, 2026 · Tier A
  18. [18]Critical PHP vulnerabilities CVE-2026-109618 and CVE-2026-109619 | Red SiftRed Sift · published October 21, 2026 · Tier A

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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