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Companies / Sendmarc / Fathom

Does Sendmarc use Fathom?

Yes

We hold strong evidence for this.

  • The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.

How we know

Subprocessor listProcesses data for the company6 Nov 2026Source

About Sendmarc

Sendmarc provides a platform for managing DMARC, SPF, and DKIM email authentication across domains. It serves enterprises, governments, SMEs, MSPs, OEMs, and partners.

Summarized from its homepage on 6 Nov 2026.

Cybersecurity

What else Sendmarc uses

Sendmarc has evidence for 32 vendors. The strongest:

CloudflareAnthropicChargebeeClickUpDatadogDigitalOceanDocuSignEntriFastmail

See the full Sendmarc tech stack

Other companies using Fathom

247 Profits247profits.orgAdd to CRMaddtocrm.comAiSDRaisdr.comCiiVSOFTciivsoft.comCirclecircle.soCloseIntelcloseintel.aiCodeturecodeture.nlCritical Cloudcriticalcloud.ai

All 55 companies using Fathom

Check any company's vendors in seconds

See Sendmarc's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call