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Companies / Sendmarc

Sendmarc tech stack

sendmarc.com

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.

Classified asCybersecurity

221 W 9th St, Wilmington, Delaware, 19801, United States of America

The Sendmarc homepage

Vendors of Sendmarc and the evidence for each

Sendmarc declares 25 subprocessors, including AI providers Anthropic, OpenAI.

VendorCategoryEvidenceLevel
CloudflareCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company6 Nov 2026Source
Websiteheader: cf-ray: a5667cd6fa1ba0f2-SJC6 Nov 2026Source
Companies using Cloudflare
AnthropicAI and LLM providersConfirmed
Subprocessor listProcesses data for the company6 Nov 2026Source
Companies using Anthropic
ChargebeeFinance and ERPConfirmed
Subprocessor listProcesses data for the company6 Nov 2026Source
Companies using Chargebee
ClickUpProductivityConfirmed
Subprocessor listProcesses data for the company6 Nov 2026Source
Companies using ClickUp
DatadogObservabilityConfirmed
Subprocessor listProcesses data for the company6 Nov 2026Source
Companies using Datadog
DigitalOceanCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company6 Nov 2026Source
Companies using DigitalOcean
DocuSignProductivityConfirmed
Subprocessor listNamed as Docusign · Processes data for the company6 Nov 2026Source
Companies using DocuSign
EntriConfirmed
Subprocessor listProcesses data for the company6 Nov 2026Source
Companies using Entri
FastmailEmail and communicationsConfirmed
Subprocessor listNamed as FastMail · Processes data for the company6 Nov 2026Source
Companies using Fastmail
FathomProductivityConfirmed
Subprocessor listProcesses data for the company6 Nov 2026Source
Companies using Fathom

22 more vendors

See Sendmarc's full stack and the source for every claim.

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Questions about Sendmarc

Does Sendmarc use Anthropic?Does Sendmarc use OpenAI?

Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.

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