# checkmails (checkmails.eu)

Checks whether email addresses exist by running live SMTP RCPT TO tests against recipient servers, without sending any mail.

- Atlas card: https://inite.ai/en/atlas/checkmails.eu
- Site: https://checkmails.eu
- For: Teams in Europe, including Odoo users, who must verify email lists under GDPR without data leaving the EU.
- Use 0/100 · alive 70/100

## Used for

- check contact lists for deliverable addresses before mailing
- clean Odoo contacts and CRM leads in place
- download sorted valid, invalid and blocked addresses as Excel

## Price

- from 5 EUR/one-time, free plan (read 2026-10-26 on https://checkmails.eu/#pricing)

## For developers

- OpenAPI: https://checkmails.eu/openapi.json (3 paths)
- MCP server: eu.checkmails/checkmails (namespace; auth on 2026-10-26)
- Read 2026-10-26

## MCP server, measured daily

Server: https://checkmails.eu/api/mcp, checked every day since 2026-10-26 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 593 ms
- Sign-in: a pasted key
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-26

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Source: INITE Atlas, https://inite.ai/en/atlas/checkmails.eu. JSON: https://inite.ai/api/atlas/checkmails.eu. MCP: https://inite.ai/api/mcp (atlas_lookup).