# MailTester

High-speed email verification and cleaning tool for B2B email lists

Simple, high-speed email validation and verification tool to clean B2B mailing lists.

Canonical: https://uniquebase.ai/companies/mailtester
Stable identifier: UB-C4653
Snapshot captured: 2026-10-15T14:23:27.067Z
English updated: 2026-10-15T20:38:52.071Z

## Funding

No funding records are listed yet.


## Valuation

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## Revenue

Listed 1 record.
Latest: $100K (ARR), 2025-07-29.

- 2025-07-29 · $100K (ARR) · https://www.linkedin.com/posts/activity-7355901984845045760-Ny50
  > On 2025/7/29, LinkedIn reported that UK email verification tool MailTester had disclosed USD 100 thousand in annual recurring revenue. It helps marketing teams validate addresses to improve deliverability. (translated source brief)

## Team

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## Products

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## Investors

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## Sources

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