MailTester Ninja

by FastDrop

MCP MCP VERIFIED Verified 1 hour ago Registry import free

Verify email addresses live against their mail server and find work emails. Nothing stored.

Verify email addresses live against their mail server and find work emails. Nothing stored. Official MCP Registry: ninja.mailtester/email-verification@1.0.1. Remote endpoint: https://mcp.mailtester.ninja/mcp

Problem it solves

Discoverable MCP server listed in the official MCP Registry.

How it's different

Remote MCP endpoint ingested from the official registry and probed by FastDrop.

Ingested from the official MCP Registry

FastDrop pulled this entry from the official MCP Registry as ninja.mailtester/email-verification and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed and the description is not theirs.

If this is your server, claim the listing to edit it and take ownership. The registry index lists everything else still awaiting a probe.

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Tools this endpoint exposes

Read directly from the endpoint on 28 Oct 2026. Not supplied by the maker.

verify_email
Check in real time whether an email address exists and can receive mail, by asking the recipient's mail server (no message is sent). Returns code "ok" (valid), "ko" (invalid) or "mb" (uncertain, such
find_email
Find the work email address of a person from their name and their company domain. Tries the usual patterns (first.last, flast, first...) one by one and returns the first address the mail server accept