All free tools EmailAudit

Free email operations tool

Delivered Message & Header Analyzer

Inspect authentication, MIME, HTML, links, attachments, message size, sending infrastructure, TLS, and the reconstructed delivery route.

Complete delivered message Raw RFC 5322 source preferred; headers-only input remains supported

Message content is analyzed in this request and is not saved. Links are contacted only if you choose Inspect destinations after analysis.

Your analysis will appear here

Results are based on public DNS or the raw message evidence you provide.