Free · runs in your browser

MTA-STS Policy Generator

Generate an MTA-STS policy file.

How it works

MTA-STS Policy Generator

Generate an MTA-STS policy file. Runs in your browser — you can email the result.

Results appear here after you click Generate.

Ready to send from your product? MailShrine Developer API uses the same DNS, webhooks, and SMTP patterns this tool inspects.

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