SMTP Test
Connect to a mail server and read its SMTP banner and EHLO capabilities.
How to Use the SMTP Test
- Enter a URL, host or text in the field above. Example values are pre-filled where helpful.
- Press the main action button to run the tool. Most results appear instantly.
- Review the results. Values can be selected and copied; some tools offer a download button.
- Adjust the input or options and run again to compare results.
What the SMTP Test Does
Connect to a mail server and read its SMTP banner and EHLO capabilities. It is part of the Developer Tools collection on MIKRODINET, a growing set of free utilities for site owners, developers, network administrators and curious users.
When to Use It
Use the SMTP Test when troubleshooting, auditing a website, preparing a launch, learning how the underlying technology works or double-checking results from another service. Combining it with related tools gives a fuller picture.
Related Reading and Tools
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External References
Frequently Asked Questions
Is the SMTP Test free to use?
Yes. The SMTP Test on MIKRODINET is completely free, with no sign-up required.
Is my data safe when I use the SMTP Test?
Tools that work offline process everything in your browser. Network checks send only the host or URL you enter, and queries are not stored.
How accurate is the SMTP Test?
Results come from live public data or standard algorithms at the moment you run the check. For critical decisions, confirm results with a second source.