E-Mail Header Analyzer
This tool can check and analyze the headers of an e-mail. Important information is broken down separately and presented clearly.
Notes:
- A blank line marks the end of the headers.
- For multi-line headers, the wrapped lines must begin with at least one space or tab character.
- The time information in the headers normally corresponds to the system time of the logging computer. Incorrectly set system clocks can thus lead to a very long or negative delivery time, for example.
- Received lines and some other headers can be entered or faked by the sender. Therefore all entries should be questioned and checked.
- The Received lines are analyzed automatically. Therefore it is possible that not always all data is recognized correctly. A warning or a note about a Received line can also have technical causes and does not necessarily mean that the line has been manipulated.
- It is technically impossible to determine the actual sender (name, IP address, or e-mail address) with absolute certainty using automated methods. Information from e-mail and/or Internet providers is usually required to determine the actual sender.
Tips:
Information on displaying headers in various e-mail programs can be found on the page "Determine E-mail Headers".
Information about headers and their analysis can be found on the page "Understanding E-mail Headers".
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