Email analyzer
Follow an email’s journey
Paste the original message source or just the headers to inspect senders, servers and reported authentication.
Runs entirely in your browser. Your email is never uploaded or saved. No external lookups; message bodies and attachments are not analyzed.
Use “Show original” or “View message source” in your mail app. You can also drop an .eml file into the field. Up to 25 MB per file and 256 KB of headers.