Check a campaign
Send the campaign you actually plan to send.
Private address
Single use and valid for 30 minutes.
Actual evidence
Headers, MIME, body signals and bounded DNS observations.
Actionable result
Up to five findings. No score or placement prediction.
Message handling
Emailrules verifies the inbound webhook before processing. It does not render campaign HTML, load remote images, open links or interpret attachments. The report stores normalized findings, not the body, subject, recipient or raw headers.