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Technologies / Anthropic / SMTP2GO

Companies using Anthropic and SMTP2GO

5 companies in our data have public evidence for both Anthropic and SMTP2GO, and 4 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

5companies use both
under 1%of Anthropic users
36%of SMTP2GO users
4name both as subprocessors

Companies using one are 2.9 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyAnthropicSMTP2GO
Avviavvi.cloudAvvi automates routine Microsoft 365 administration tasks such as password resets, MFA resets, mailbox access, and license changes.
aXcelerateaxcelerate.com.auEducation
Continuumcontinuumapi.comContinuum provides email verification and sending tools, including agents for finding, verifying, warming up, sending outbound, and nurturing contacts.Sales
eniq.aieniq.ai is an AI platform that transcribes and analyzes customer conversations from calls, chats, and meetings, including sentiment detection, quality scoring, and compliance monitoring.AI and machine learningCustomer support
Cost+costplus.ioCost+ is a payment gateway that offers IC++, blended and gateway-only pricing with a disclosed margin.Payments

The two technologies

Anthropic

AI and LLM providers

Anthropic is a public benefit corporation dedicated to securing the benefits of AI and mitigating its risks. It is used for the responsible development and maintenance of advanced AI for the long-term benefit of humanity.

Summarized from anthropic.com on 8 Nov 2026.

under 1% of the 2,989 companies we see using Anthropic also show the other.

All 2,989 companies using Anthropic2,286 name it as a subprocessorMore in AI and LLM providers

SMTP2GO

Email and communications

SMTP2GO is an email delivery service that sends emails on behalf of its users through its own infrastructure. It is used to send transactional, general, and marketing emails from applications or email clients, with reporting and tracking of delivery, bounces, and spam complaints.

Summarized from smtp2go.com on 9 Nov 2026.

36% of the 14 companies we see using SMTP2GO also show the other.

All 14 companies using SMTP2GO12 name it as a subprocessorMore in Email and communications

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,972companiesGoogle Workspace2,173companiesOpenAI2,037companiesStripe1,580companiesAmazon Web Services1,579companiesGoogle1,456companies

More with SMTP2GO

Cloudflare14companiesGoogle Analytics8companiesStripe8companiesAmazon Web Services7companiesGoogle Workspace6companiesHubSpot6companies

Questions

How many companies use both Anthropic and SMTP2GO?

5 companies in StrataDB's data have public evidence for both, and 4 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Anthropic and SMTP2GO?

Avvi, aXcelerate, Continuum, eniq.ai and Cost+. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and SMTP2GO?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Anthropic and SMTP2GO

See the full list with the source for each company, and run the same lookup for any technology 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