good chemistry is complicated, and a little bit messy -LW |
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PerlMonks |
Re^7: Postfix: Piping an email into a PERL scriptby 5mi11er (Deacon) |
on May 22, 2013 at 12:55 UTC ( [id://1034736]=note: print w/replies, xml ) | Need Help?? |
No, GPG does more than that. By using public/private keys, GPG is able to tell who the message is actually from (assuming private keys were not stolen). The incoming message would be signed (encryption of the message isn't necessary) by the user's private key, and you'd then use that person's public key to verify that it was actually sent by that person. Thus, by using GPG, you don't need to implicitly trust the headers, you can verify if the header has been spoofed or not. -Scott
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Cool Uses for Perl
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