Skip to content

SMTP Test

Check MX and probe port 25 on the mail server

Notice: This tool sends the URL or data to the server for processing. Do not enter sensitive information.

SMTP Test. Check MX and probe port 25 on the mail server

How to use

  1. Open the tool.
  2. Enter the required data.
  3. Run and review the result.

FAQ

What is SMTP Test for?

SMTP Test is a practical checker that works without a paid API key.

Are results definitive?

Results are helpful and may vary by server, DNS, and network.

Is my data stored?

Browser tools run locally. Server requests are temporary with SSRF protection.

SEO Tool Library

SEO checkers, generators, and calculators in one place.