Free · runs in your browser

Include Flattening Helper

Reduce SPF includes under the lookup limit.

How it works

Include Flattening Helper

Reduce SPF includes under the lookup limit. Runs in your browser — you can email the result.

Results appear here after you click Run.

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

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