Offline analysis of email headers
Expand the mail header, decode common coded headers, and check the Received transmission chronological order.
It is only processed in the browser, not uploading or saving. Leaving the page will be cleared; the calculation can also be cleared and the result can be discarded. Do not enter other people's credentials or private keys.
Offline analysis of email headers User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- View the subject, send fields and two-hop transfer time of the demo email.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Supports UTF-8, ASCII and Latin-1 B/Q codes for RFC 2047; extract the date at the end of each Received.
scope of use
Failure to verify sending identity, DKIM, SPF or DMARC; fields may be forged, the time difference may be affected by the server clock, and the content of the email is not uploaded.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Failure to verify sending identity, DKIM, SPF or DMARC; fields may be forged, the time difference may be affected by the server clock, and the content of the email is not uploaded. Please compare the input unit, rounding method, applicable rules and data version first.