Hallo Cristina, On Tue, 28 Sep 2004 14:14:38 +0100GMT (28-9-2004, 15:14 +0200, where I live), you wrote:
CR> Some of the messages I receive have a yellow circle with a checkmark. Those are smileys, they're sent along to show that the sender is in a good mood. :pulling-leg: CR> What does that mean exactly? Does it have anything to do with securely CR> signing your messages? It has to do with digitally signing your message and thus showing that you sent the message and that it wasn't tampered with on the way to the recipient. CR> How do I do that? You get a certificate by Thawte (or some others) or you create a PGP key (GPG is compatible with that) and you sign your message. Both work with a public and a private key. You sign with the private key and the signature is checked with the public key. The main differences between the two types are that with certificates you send the public part along with every signed message and with PGP the public keys can be requested from the owner or from a key-server. With certificates the signing is done by the mail client, with PGP it's done with that PGP/GPG variety that you've got installed. Messages signed with a certificate are substantially bigger than the same message PGP signed. With PGP you've got two ways of signing messages, you can either sign in the text (that's when you find messages starting with -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 and ending with some odd codes) or with the signature as attachment, the latter looks a lot better, but unfortunately not all mail clients support PGP/MIME (TB does support it) Most signed messages on this list are PGP signed, it's been quite a while that I've seen a MIME signed message and that's not only on this list, but that might just be the kind people I hang around with. -- Groetjes, Roelof The Bat! 3.0.0.19 Windows XP 5.1 Build 2600 Service Pack 1 1 pop3 account, server on LAN Disclaimer: Any opinion stated in this message is not necessarily shared by my budgies or rabbits.
pgpkziXU9JiqN.pgp
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