Guides

SPF, DKIM, and DMARC

Use the stored authentication fields and message audit to catch sender-authentication gaps in staging and CI.

Read verification fields

Message detail includes spf_result, dkim_result, and dmarc_result. This MVP stores and displays the fields; full validation is a future enhancement.

curl https://stmp.ink/api/messages/1 \
  -H "X-API-KEY: $SMTPDEV_API_KEY"

Use the audit object

The API includes an audit object grouped by severity for sender, header, HTML, link, and expiry checks. Fail CI on the checks that matter to your workflow.