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E-mail Forensics

Content Leader: Jess Garcia - Last Updated: January 21, 2007

Gral Information


E-mail Messages


  • Message-ID: Optional, but every message should have it
    • Intended to be machine readable.
    • Format: <date/time.unique_id@domain>
      • Date/Time Integer: Can be formatted to display human readable date/time, but is usually in a hexadecimal string. On Unix systems, the string represents the “number of microseconds since midnight, January 1, 1970, Greenwich Mean Time.” (Unix Time – epoch)
      • If hexadecimal, convert it to decimal and then convert from Unix timestamp to date/time format.


  • E-mail messages are divided in several parts:
    • Envelope Header - Added by E-mail servers
    • Message Header - Added by the E-mail client
    • Body
    • Attachments


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