On Thursday 25 September 2003 21:33, Moshe Kaminsky wrote: > Hi, > > I was wondering, how can I verify that an email really arrived from > where it claims? For example, how does the mailing list program know > that this mail really came from me? I saw nothing in the headers that > allows it.
It's very simple - it doesn't. You can sometime make some inteligent guesses based on SMTP headers, but nothing really secure. If you want (pretty) good authenticity use GPG. Gilad -- Gilad Ben-Yossef <[EMAIL PROTECTED]> http://benyossef.com ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
